Home / 124,920.30-187,380.45-72,464.70

Finding the Fourth Proportional to 124,920.30, 187,380.45 and 72,464.70

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Solution

The fourth proportional to 124,920.30, 187,380.45 and 72,464.70 is: 108,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,920.30 : 187,380.45 = 72,464.70 : x
  2. Step 2: Convert to fraction form
    124,920.30/187,380.45 = 72,464.70/x
  3. Step 3: Cross multiply
    124,920.30x = 187,380.45 × 72,464.70
  4. Step 4: Simplify right side
    124,920.30x = 13,578,468,095.12
  5. Step 5: Solve for x
    x = 13,578,468,095.12/124,920.30
  6. Step 6: Final answer
    x = 108,697.05

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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.