Home / 127,637.66-176,132.97-70,265.78

Finding the Fourth Proportional to 127,637.66, 176,132.97 and 70,265.78

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Solution

The fourth proportional to 127,637.66, 176,132.97 and 70,265.78 is: 96,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,637.66 : 176,132.97 = 70,265.78 : x
  2. Step 2: Convert to fraction form
    127,637.66/176,132.97 = 70,265.78/x
  3. Step 3: Cross multiply
    127,637.66x = 176,132.97 × 70,265.78
  4. Step 4: Simplify right side
    127,637.66x = 12,376,120,520.77
  5. Step 5: Solve for x
    x = 12,376,120,520.77/127,637.66
  6. Step 6: Final answer
    x = 96,962.92

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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.