Home / 99,634.28-137,495.46-54,312.62

Finding the Fourth Proportional to 99,634.28, 137,495.46 and 54,312.62

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Solution

The fourth proportional to 99,634.28, 137,495.46 and 54,312.62 is: 74,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,634.28 : 137,495.46 = 54,312.62 : x
  2. Step 2: Convert to fraction form
    99,634.28/137,495.46 = 54,312.62/x
  3. Step 3: Cross multiply
    99,634.28x = 137,495.46 × 54,312.62
  4. Step 4: Simplify right side
    99,634.28x = 7,467,738,670.71
  5. Step 5: Solve for x
    x = 7,467,738,670.71/99,634.28
  6. Step 6: Final answer
    x = 74,951.50

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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.