Home / 98,715.31-148,072.66-32,155.28

Finding the Fourth Proportional to 98,715.31, 148,072.66 and 32,155.28

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Solution

The fourth proportional to 98,715.31, 148,072.66 and 32,155.28 is: 48,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,715.31 : 148,072.66 = 32,155.28 : x
  2. Step 2: Convert to fraction form
    98,715.31/148,072.66 = 32,155.28/x
  3. Step 3: Cross multiply
    98,715.31x = 148,072.66 × 32,155.28
  4. Step 4: Simplify right side
    98,715.31x = 4,761,317,577.17
  5. Step 5: Solve for x
    x = 4,761,317,577.17/98,715.31
  6. Step 6: Final answer
    x = 48,232.82

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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.