Home / 125,260.13-172,851.66-74,277.77

Finding the Fourth Proportional to 125,260.13, 172,851.66 and 74,277.77

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Solution

The fourth proportional to 125,260.13, 172,851.66 and 74,277.77 is: 102,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,260.13 : 172,851.66 = 74,277.77 : x
  2. Step 2: Convert to fraction form
    125,260.13/172,851.66 = 74,277.77/x
  3. Step 3: Cross multiply
    125,260.13x = 172,851.66 × 74,277.77
  4. Step 4: Simplify right side
    125,260.13x = 12,839,034,981.34
  5. Step 5: Solve for x
    x = 12,839,034,981.34/125,260.13
  6. Step 6: Final answer
    x = 102,498.97

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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.