Home / 127,493.31-175,944.69-70,129.74

Finding the Fourth Proportional to 127,493.31, 175,944.69 and 70,129.74

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Solution

The fourth proportional to 127,493.31, 175,944.69 and 70,129.74 is: 96,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,493.31 : 175,944.69 = 70,129.74 : x
  2. Step 2: Convert to fraction form
    127,493.31/175,944.69 = 70,129.74/x
  3. Step 3: Cross multiply
    127,493.31x = 175,944.69 × 70,129.74
  4. Step 4: Simplify right side
    127,493.31x = 12,338,955,364.08
  5. Step 5: Solve for x
    x = 12,338,955,364.08/127,493.31
  6. Step 6: Final answer
    x = 96,781.20

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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.