Home / 125,457.50-188,250.78-83,366.66

Finding the Fourth Proportional to 125,457.50, 188,250.78 and 83,366.66

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Solution

The fourth proportional to 125,457.50, 188,250.78 and 83,366.66 is: 125,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,457.50 : 188,250.78 = 83,366.66 : x
  2. Step 2: Convert to fraction form
    125,457.50/188,250.78 = 83,366.66/x
  3. Step 3: Cross multiply
    125,457.50x = 188,250.78 × 83,366.66
  4. Step 4: Simplify right side
    125,457.50x = 15,693,838,770.99
  5. Step 5: Solve for x
    x = 15,693,838,770.99/125,457.50
  6. Step 6: Final answer
    x = 125,092.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.