Home / 72,172.13-108,230.45-24,778.40

Finding the Fourth Proportional to 72,172.13, 108,230.45 and 24,778.40

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Solution

The fourth proportional to 72,172.13, 108,230.45 and 24,778.40 is: 37,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,172.13 : 108,230.45 = 24,778.40 : x
  2. Step 2: Convert to fraction form
    72,172.13/108,230.45 = 24,778.40/x
  3. Step 3: Cross multiply
    72,172.13x = 108,230.45 × 24,778.40
  4. Step 4: Simplify right side
    72,172.13x = 2,681,776,717.24
  5. Step 5: Solve for x
    x = 2,681,776,717.24/72,172.13
  6. Step 6: Final answer
    x = 37,158.07

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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.