Home / 126,877.01-175,011.08-81,614.00

Finding the Fourth Proportional to 126,877.01, 175,011.08 and 81,614.00

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Solution

The fourth proportional to 126,877.01, 175,011.08 and 81,614.00 is: 112,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,877.01 : 175,011.08 = 81,614.00 : x
  2. Step 2: Convert to fraction form
    126,877.01/175,011.08 = 81,614.00/x
  3. Step 3: Cross multiply
    126,877.01x = 175,011.08 × 81,614.00
  4. Step 4: Simplify right side
    126,877.01x = 14,283,352,999.99
  5. Step 5: Solve for x
    x = 14,283,352,999.99/126,877.01
  6. Step 6: Final answer
    x = 112,576.37

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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.