Home / 125,296.71-172,909.49-68,709.27

Finding the Fourth Proportional to 125,296.71, 172,909.49 and 68,709.27

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Solution

The fourth proportional to 125,296.71, 172,909.49 and 68,709.27 is: 94,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,296.71 : 172,909.49 = 68,709.27 : x
  2. Step 2: Convert to fraction form
    125,296.71/172,909.49 = 68,709.27/x
  3. Step 3: Cross multiply
    125,296.71x = 172,909.49 × 68,709.27
  4. Step 4: Simplify right side
    125,296.71x = 11,880,484,490.43
  5. Step 5: Solve for x
    x = 11,880,484,490.43/125,296.71
  6. Step 6: Final answer
    x = 94,818.81

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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.