Home / 127,591.04-176,072.64-71,001.20

Finding the Fourth Proportional to 127,591.04, 176,072.64 and 71,001.20

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Solution

The fourth proportional to 127,591.04, 176,072.64 and 71,001.20 is: 97,979.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,591.04 : 176,072.64 = 71,001.20 : x
  2. Step 2: Convert to fraction form
    127,591.04/176,072.64 = 71,001.20/x
  3. Step 3: Cross multiply
    127,591.04x = 176,072.64 × 71,001.20
  4. Step 4: Simplify right side
    127,591.04x = 12,501,368,727.17
  5. Step 5: Solve for x
    x = 12,501,368,727.17/127,591.04
  6. Step 6: Final answer
    x = 97,979.99

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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.