Home / 127,315.20-175,691.52-70,730.88

Finding the Fourth Proportional to 127,315.20, 175,691.52 and 70,730.88

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Solution

The fourth proportional to 127,315.20, 175,691.52 and 70,730.88 is: 97,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315.20 : 175,691.52 = 70,730.88 : x
  2. Step 2: Convert to fraction form
    127,315.20/175,691.52 = 70,730.88/x
  3. Step 3: Cross multiply
    127,315.20x = 175,691.52 × 70,730.88
  4. Step 4: Simplify right side
    127,315.20x = 12,426,815,818.14
  5. Step 5: Solve for x
    x = 12,426,815,818.14/127,315.20
  6. Step 6: Final answer
    x = 97,606.69

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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.