Home / 127,837.47-176,421.75-71,249.25

Finding the Fourth Proportional to 127,837.47, 176,421.75 and 71,249.25

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Solution

The fourth proportional to 127,837.47, 176,421.75 and 71,249.25 is: 98,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,837.47 : 176,421.75 = 71,249.25 : x
  2. Step 2: Convert to fraction form
    127,837.47/176,421.75 = 71,249.25/x
  3. Step 3: Cross multiply
    127,837.47x = 176,421.75 × 71,249.25
  4. Step 4: Simplify right side
    127,837.47x = 12,569,917,371.19
  5. Step 5: Solve for x
    x = 12,569,917,371.19/127,837.47
  6. Step 6: Final answer
    x = 98,327.33

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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.