Home / 127,588.64-176,079.22-71,001.23

Finding the Fourth Proportional to 127,588.64, 176,079.22 and 71,001.23

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Solution

The fourth proportional to 127,588.64, 176,079.22 and 71,001.23 is: 97,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,588.64 : 176,079.22 = 71,001.23 : x
  2. Step 2: Convert to fraction form
    127,588.64/176,079.22 = 71,001.23/x
  3. Step 3: Cross multiply
    127,588.64x = 176,079.22 × 71,001.23
  4. Step 4: Simplify right side
    127,588.64x = 12,501,840,139.54
  5. Step 5: Solve for x
    x = 12,501,840,139.54/127,588.64
  6. Step 6: Final answer
    x = 97,985.53

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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.