Home / 147,822.69-221,789.13-88,700.79

Finding the Fourth Proportional to 147,822.69, 221,789.13 and 88,700.79

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Solution

The fourth proportional to 147,822.69, 221,789.13 and 88,700.79 is: 133,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822.69 : 221,789.13 = 88,700.79 : x
  2. Step 2: Convert to fraction form
    147,822.69/221,789.13 = 88,700.79/x
  3. Step 3: Cross multiply
    147,822.69x = 221,789.13 × 88,700.79
  4. Step 4: Simplify right side
    147,822.69x = 19,672,871,044.41
  5. Step 5: Solve for x
    x = 19,672,871,044.41/147,822.69
  6. Step 6: Final answer
    x = 133,084.24

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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.