Home / 124,737.16-172,088.43-76,907.47

Finding the Fourth Proportional to 124,737.16, 172,088.43 and 76,907.47

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Solution

The fourth proportional to 124,737.16, 172,088.43 and 76,907.47 is: 106,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,737.16 : 172,088.43 = 76,907.47 : x
  2. Step 2: Convert to fraction form
    124,737.16/172,088.43 = 76,907.47/x
  3. Step 3: Cross multiply
    124,737.16x = 172,088.43 × 76,907.47
  4. Step 4: Simplify right side
    124,737.16x = 13,234,885,767.57
  5. Step 5: Solve for x
    x = 13,234,885,767.57/124,737.16
  6. Step 6: Final answer
    x = 106,102.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.