Home / 266,868.91-368,242.72-159,416.13

Finding the Fourth Proportional to 266,868.91, 368,242.72 and 159,416.13

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Solution

The fourth proportional to 266,868.91, 368,242.72 and 159,416.13 is: 219,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,868.91 : 368,242.72 = 159,416.13 : x
  2. Step 2: Convert to fraction form
    266,868.91/368,242.72 = 159,416.13/x
  3. Step 3: Cross multiply
    266,868.91x = 368,242.72 × 159,416.13
  4. Step 4: Simplify right side
    266,868.91x = 58,703,829,721.61
  5. Step 5: Solve for x
    x = 58,703,829,721.61/266,868.91
  6. Step 6: Final answer
    x = 219,972.53

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1.5x scale

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.