Home / 127,042.61-175,319.05-69,682.40

Finding the Fourth Proportional to 127,042.61, 175,319.05 and 69,682.40

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Solution

The fourth proportional to 127,042.61, 175,319.05 and 69,682.40 is: 96,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,042.61 : 175,319.05 = 69,682.40 : x
  2. Step 2: Convert to fraction form
    127,042.61/175,319.05 = 69,682.40/x
  3. Step 3: Cross multiply
    127,042.61x = 175,319.05 × 69,682.40
  4. Step 4: Simplify right side
    127,042.61x = 12,216,652,169.72
  5. Step 5: Solve for x
    x = 12,216,652,169.72/127,042.61
  6. Step 6: Final answer
    x = 96,161.85

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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.