Home / 86,774.24-130,161.36-45,302.24

Finding the Fourth Proportional to 86,774.24, 130,161.36 and 45,302.24

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Solution

The fourth proportional to 86,774.24, 130,161.36 and 45,302.24 is: 67,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,774.24 : 130,161.36 = 45,302.24 : x
  2. Step 2: Convert to fraction form
    86,774.24/130,161.36 = 45,302.24/x
  3. Step 3: Cross multiply
    86,774.24x = 130,161.36 × 45,302.24
  4. Step 4: Simplify right side
    86,774.24x = 5,896,601,169.45
  5. Step 5: Solve for x
    x = 5,896,601,169.45/86,774.24
  6. Step 6: Final answer
    x = 67,953.36

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.