Home / 120,008.86-180,052.17-57,684.22

Finding the Fourth Proportional to 120,008.86, 180,052.17 and 57,684.22

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Solution

The fourth proportional to 120,008.86, 180,052.17 and 57,684.22 is: 86,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,008.86 : 180,052.17 = 57,684.22 : x
  2. Step 2: Convert to fraction form
    120,008.86/180,052.17 = 57,684.22/x
  3. Step 3: Cross multiply
    120,008.86x = 180,052.17 × 57,684.22
  4. Step 4: Simplify right side
    120,008.86x = 10,386,168,985.76
  5. Step 5: Solve for x
    x = 10,386,168,985.76/120,008.86
  6. Step 6: Final answer
    x = 86,545.02

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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.