Home / 124,614.40-186,800.10-71,251.60

Finding the Fourth Proportional to 124,614.40, 186,800.10 and 71,251.60

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Solution

The fourth proportional to 124,614.40, 186,800.10 and 71,251.60 is: 106,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,614.40 : 186,800.10 = 71,251.60 : x
  2. Step 2: Convert to fraction form
    124,614.40/186,800.10 = 71,251.60/x
  3. Step 3: Cross multiply
    124,614.40x = 186,800.10 × 71,251.60
  4. Step 4: Simplify right side
    124,614.40x = 13,309,806,005.16
  5. Step 5: Solve for x
    x = 13,309,806,005.16/124,614.40
  6. Step 6: Final answer
    x = 106,807.93

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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.