Home / 127,100.17-175,397.70-70,511.55

Finding the Fourth Proportional to 127,100.17, 175,397.70 and 70,511.55

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Solution

The fourth proportional to 127,100.17, 175,397.70 and 70,511.55 is: 97,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,100.17 : 175,397.70 = 70,511.55 : x
  2. Step 2: Convert to fraction form
    127,100.17/175,397.70 = 70,511.55/x
  3. Step 3: Cross multiply
    127,100.17x = 175,397.70 × 70,511.55
  4. Step 4: Simplify right side
    127,100.17x = 12,367,563,693.44
  5. Step 5: Solve for x
    x = 12,367,563,693.44/127,100.17
  6. Step 6: Final answer
    x = 97,305.64

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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.