Home / 124,845.20-187,315.08-74,960.16

Finding the Fourth Proportional to 124,845.20, 187,315.08 and 74,960.16

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Solution

The fourth proportional to 124,845.20, 187,315.08 and 74,960.16 is: 112,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845.20 : 187,315.08 = 74,960.16 : x
  2. Step 2: Convert to fraction form
    124,845.20/187,315.08 = 74,960.16/x
  3. Step 3: Cross multiply
    124,845.20x = 187,315.08 × 74,960.16
  4. Step 4: Simplify right side
    124,845.20x = 14,041,168,367.21
  5. Step 5: Solve for x
    x = 14,041,168,367.21/124,845.20
  6. Step 6: Final answer
    x = 112,468.63

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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.