Home / 84,869.29-127,381.70-84,551.77

Finding the Fourth Proportional to 84,869.29, 127,381.70 and 84,551.77

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Solution

The fourth proportional to 84,869.29, 127,381.70 and 84,551.77 is: 126,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.29 : 127,381.70 = 84,551.77 : x
  2. Step 2: Convert to fraction form
    84,869.29/127,381.70 = 84,551.77/x
  3. Step 3: Cross multiply
    84,869.29x = 127,381.70 × 84,551.77
  4. Step 4: Simplify right side
    84,869.29x = 10,770,348,200.61
  5. Step 5: Solve for x
    x = 10,770,348,200.61/84,869.29
  6. Step 6: Final answer
    x = 126,905.13

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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.