Home / 141,966.57-212,979.23-57,726.73

Finding the Fourth Proportional to 141,966.57, 212,979.23 and 57,726.73

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Solution

The fourth proportional to 141,966.57, 212,979.23 and 57,726.73 is: 86,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,966.57 : 212,979.23 = 57,726.73 : x
  2. Step 2: Convert to fraction form
    141,966.57/212,979.23 = 57,726.73/x
  3. Step 3: Cross multiply
    141,966.57x = 212,979.23 × 57,726.73
  4. Step 4: Simplify right side
    141,966.57x = 12,294,594,505.82
  5. Step 5: Solve for x
    x = 12,294,594,505.82/141,966.57
  6. Step 6: Final answer
    x = 86,602.04

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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.