Home / 127,223.36-175,565.76-70,633.52

Finding the Fourth Proportional to 127,223.36, 175,565.76 and 70,633.52

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Solution

The fourth proportional to 127,223.36, 175,565.76 and 70,633.52 is: 97,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,223.36 : 175,565.76 = 70,633.52 : x
  2. Step 2: Convert to fraction form
    127,223.36/175,565.76 = 70,633.52/x
  3. Step 3: Cross multiply
    127,223.36x = 175,565.76 × 70,633.52
  4. Step 4: Simplify right side
    127,223.36x = 12,400,827,620.28
  5. Step 5: Solve for x
    x = 12,400,827,620.28/127,223.36
  6. Step 6: Final answer
    x = 97,472.88

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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.