Home / 131,722.03-181,774.83-71,291.24

Finding the Fourth Proportional to 131,722.03, 181,774.83 and 71,291.24

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Solution

The fourth proportional to 131,722.03, 181,774.83 and 71,291.24 is: 98,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,722.03 : 181,774.83 = 71,291.24 : x
  2. Step 2: Convert to fraction form
    131,722.03/181,774.83 = 71,291.24/x
  3. Step 3: Cross multiply
    131,722.03x = 181,774.83 × 71,291.24
  4. Step 4: Simplify right side
    131,722.03x = 12,958,953,031.49
  5. Step 5: Solve for x
    x = 12,958,953,031.49/131,722.03
  6. Step 6: Final answer
    x = 98,381.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.