Home / 83,156.68-124,766-49,900.60

Finding the Fourth Proportional to 83,156.68, 124,766 and 49,900.60

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Solution

The fourth proportional to 83,156.68, 124,766 and 49,900.60 is: 74,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,156.68 : 124,766 = 49,900.60 : x
  2. Step 2: Convert to fraction form
    83,156.68/124,766 = 49,900.60/x
  3. Step 3: Cross multiply
    83,156.68x = 124,766 × 49,900.60
  4. Step 4: Simplify right side
    83,156.68x = 6,225,898,259.60
  5. Step 5: Solve for x
    x = 6,225,898,259.60/83,156.68
  6. Step 6: Final answer
    x = 74,869.49

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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.