Home / 125,044.36-172,561.24-68,455.74

Finding the Fourth Proportional to 125,044.36, 172,561.24 and 68,455.74

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Solution

The fourth proportional to 125,044.36, 172,561.24 and 68,455.74 is: 94,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,044.36 : 172,561.24 = 68,455.74 : x
  2. Step 2: Convert to fraction form
    125,044.36/172,561.24 = 68,455.74/x
  3. Step 3: Cross multiply
    125,044.36x = 172,561.24 × 68,455.74
  4. Step 4: Simplify right side
    125,044.36x = 11,812,807,379.52
  5. Step 5: Solve for x
    x = 11,812,807,379.52/125,044.36
  6. Step 6: Final answer
    x = 94,468.93

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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.