Home / 103,434.40-155,151.60-36,876.70

Finding the Fourth Proportional to 103,434.40, 155,151.60 and 36,876.70

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Solution

The fourth proportional to 103,434.40, 155,151.60 and 36,876.70 is: 55,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,434.40 : 155,151.60 = 36,876.70 : x
  2. Step 2: Convert to fraction form
    103,434.40/155,151.60 = 36,876.70/x
  3. Step 3: Cross multiply
    103,434.40x = 155,151.60 × 36,876.70
  4. Step 4: Simplify right side
    103,434.40x = 5,721,479,007.72
  5. Step 5: Solve for x
    x = 5,721,479,007.72/103,434.40
  6. Step 6: Final answer
    x = 55,315.05

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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.