Home / 86,776.24-130,164.36-45,304.24

Finding the Fourth Proportional to 86,776.24, 130,164.36 and 45,304.24

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Solution

The fourth proportional to 86,776.24, 130,164.36 and 45,304.24 is: 67,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,776.24 : 130,164.36 = 45,304.24 : x
  2. Step 2: Convert to fraction form
    86,776.24/130,164.36 = 45,304.24/x
  3. Step 3: Cross multiply
    86,776.24x = 130,164.36 × 45,304.24
  4. Step 4: Simplify right side
    86,776.24x = 5,896,997,404.89
  5. Step 5: Solve for x
    x = 5,896,997,404.89/86,776.24
  6. Step 6: Final answer
    x = 67,956.36

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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.