Home / 98,257.19-147,385.31-28,136.57

Finding the Fourth Proportional to 98,257.19, 147,385.31 and 28,136.57

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Solution

The fourth proportional to 98,257.19, 147,385.31 and 28,136.57 is: 42,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.19 : 147,385.31 = 28,136.57 : x
  2. Step 2: Convert to fraction form
    98,257.19/147,385.31 = 28,136.57/x
  3. Step 3: Cross multiply
    98,257.19x = 147,385.31 × 28,136.57
  4. Step 4: Simplify right side
    98,257.19x = 4,146,916,214.18
  5. Step 5: Solve for x
    x = 4,146,916,214.18/98,257.19
  6. Step 6: Final answer
    x = 42,204.71

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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.