Home / 127,240.64-175,613.68-73,556.77

Finding the Fourth Proportional to 127,240.64, 175,613.68 and 73,556.77

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Solution

The fourth proportional to 127,240.64, 175,613.68 and 73,556.77 is: 101,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,240.64 : 175,613.68 = 73,556.77 : x
  2. Step 2: Convert to fraction form
    127,240.64/175,613.68 = 73,556.77/x
  3. Step 3: Cross multiply
    127,240.64x = 175,613.68 × 73,556.77
  4. Step 4: Simplify right side
    127,240.64x = 12,917,574,700.83
  5. Step 5: Solve for x
    x = 12,917,574,700.83/127,240.64
  6. Step 6: Final answer
    x = 101,520.83

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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.