Home / 187,456.24-280,766.16-145,047.84

Finding the Fourth Proportional to 187,456.24, 280,766.16 and 145,047.84

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Solution

The fourth proportional to 187,456.24, 280,766.16 and 145,047.84 is: 217,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,456.24 : 280,766.16 = 145,047.84 : x
  2. Step 2: Convert to fraction form
    187,456.24/280,766.16 = 145,047.84/x
  3. Step 3: Cross multiply
    187,456.24x = 280,766.16 × 145,047.84
  4. Step 4: Simplify right side
    187,456.24x = 40,724,525,053.09
  5. Step 5: Solve for x
    x = 40,724,525,053.09/187,456.24
  6. Step 6: Final answer
    x = 217,248.17

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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.