Home / 176,779.26-243,960.86-100,301.59

Finding the Fourth Proportional to 176,779.26, 243,960.86 and 100,301.59

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Solution

The fourth proportional to 176,779.26, 243,960.86 and 100,301.59 is: 138,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,779.26 : 243,960.86 = 100,301.59 : x
  2. Step 2: Convert to fraction form
    176,779.26/243,960.86 = 100,301.59/x
  3. Step 3: Cross multiply
    176,779.26x = 243,960.86 × 100,301.59
  4. Step 4: Simplify right side
    176,779.26x = 24,469,662,711.47
  5. Step 5: Solve for x
    x = 24,469,662,711.47/176,779.26
  6. Step 6: Final answer
    x = 138,419.31

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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.