Home / 161,710.80-242,238.15-91,508.10

Finding the Fourth Proportional to 161,710.80, 242,238.15 and 91,508.10

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Solution

The fourth proportional to 161,710.80, 242,238.15 and 91,508.10 is: 137,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,710.80 : 242,238.15 = 91,508.10 : x
  2. Step 2: Convert to fraction form
    161,710.80/242,238.15 = 91,508.10/x
  3. Step 3: Cross multiply
    161,710.80x = 242,238.15 × 91,508.10
  4. Step 4: Simplify right side
    161,710.80x = 22,166,752,854.02
  5. Step 5: Solve for x
    x = 22,166,752,854.02/161,710.80
  6. Step 6: Final answer
    x = 137,076.51

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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.