Home / 120,172.26-179,926.17-90,500.13

Finding the Fourth Proportional to 120,172.26, 179,926.17 and 90,500.13

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Solution

The fourth proportional to 120,172.26, 179,926.17 and 90,500.13 is: 135,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,172.26 : 179,926.17 = 90,500.13 : x
  2. Step 2: Convert to fraction form
    120,172.26/179,926.17 = 90,500.13/x
  3. Step 3: Cross multiply
    120,172.26x = 179,926.17 × 90,500.13
  4. Step 4: Simplify right side
    120,172.26x = 16,283,341,775.40
  5. Step 5: Solve for x
    x = 16,283,341,775.40/120,172.26
  6. Step 6: Final answer
    x = 135,500.00

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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.