Home / 161,501.23-242,251.92-72,650.95

Finding the Fourth Proportional to 161,501.23, 242,251.92 and 72,650.95

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Solution

The fourth proportional to 161,501.23, 242,251.92 and 72,650.95 is: 108,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,501.23 : 242,251.92 = 72,650.95 : x
  2. Step 2: Convert to fraction form
    161,501.23/242,251.92 = 72,650.95/x
  3. Step 3: Cross multiply
    161,501.23x = 242,251.92 × 72,650.95
  4. Step 4: Simplify right side
    161,501.23x = 17,599,832,127.32
  5. Step 5: Solve for x
    x = 17,599,832,127.32/161,501.23
  6. Step 6: Final answer
    x = 108,976.46

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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.