Home / 87,156.17-120,265.59-48,907.82

Finding the Fourth Proportional to 87,156.17, 120,265.59 and 48,907.82

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Solution

The fourth proportional to 87,156.17, 120,265.59 and 48,907.82 is: 67,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156.17 : 120,265.59 = 48,907.82 : x
  2. Step 2: Convert to fraction form
    87,156.17/120,265.59 = 48,907.82/x
  3. Step 3: Cross multiply
    87,156.17x = 120,265.59 × 48,907.82
  4. Step 4: Simplify right side
    87,156.17x = 5,881,927,226.59
  5. Step 5: Solve for x
    x = 5,881,927,226.59/87,156.17
  6. Step 6: Final answer
    x = 67,487.22

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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.