Home / 120,337.56-180,534.03-40,386.14

Finding the Fourth Proportional to 120,337.56, 180,534.03 and 40,386.14

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Solution

The fourth proportional to 120,337.56, 180,534.03 and 40,386.14 is: 60,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,337.56 : 180,534.03 = 40,386.14 : x
  2. Step 2: Convert to fraction form
    120,337.56/180,534.03 = 40,386.14/x
  3. Step 3: Cross multiply
    120,337.56x = 180,534.03 × 40,386.14
  4. Step 4: Simplify right side
    120,337.56x = 7,291,073,061.68
  5. Step 5: Solve for x
    x = 7,291,073,061.68/120,337.56
  6. Step 6: Final answer
    x = 60,588.50

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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.