Home / 125,227.95-172,814.19-67,868.91

Finding the Fourth Proportional to 125,227.95, 172,814.19 and 67,868.91

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Solution

The fourth proportional to 125,227.95, 172,814.19 and 67,868.91 is: 93,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,227.95 : 172,814.19 = 67,868.91 : x
  2. Step 2: Convert to fraction form
    125,227.95/172,814.19 = 67,868.91/x
  3. Step 3: Cross multiply
    125,227.95x = 172,814.19 × 67,868.91
  4. Step 4: Simplify right side
    125,227.95x = 11,728,710,707.83
  5. Step 5: Solve for x
    x = 11,728,710,707.83/125,227.95
  6. Step 6: Final answer
    x = 93,658.89

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1.5x scale

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.