Home / 98,765.17-148,166.21-39,605.47

Finding the Fourth Proportional to 98,765.17, 148,166.21 and 39,605.47

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Solution

The fourth proportional to 98,765.17, 148,166.21 and 39,605.47 is: 59,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,765.17 : 148,166.21 = 39,605.47 : x
  2. Step 2: Convert to fraction form
    98,765.17/148,166.21 = 39,605.47/x
  3. Step 3: Cross multiply
    98,765.17x = 148,166.21 × 39,605.47
  4. Step 4: Simplify right side
    98,765.17x = 5,868,192,385.17
  5. Step 5: Solve for x
    x = 5,868,192,385.17/98,765.17
  6. Step 6: Final answer
    x = 59,415.61

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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.