Home / 126,765.52-174,937.80-70,177.84

Finding the Fourth Proportional to 126,765.52, 174,937.80 and 70,177.84

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Solution

The fourth proportional to 126,765.52, 174,937.80 and 70,177.84 is: 96,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,765.52 : 174,937.80 = 70,177.84 : x
  2. Step 2: Convert to fraction form
    126,765.52/174,937.80 = 70,177.84/x
  3. Step 3: Cross multiply
    126,765.52x = 174,937.80 × 70,177.84
  4. Step 4: Simplify right side
    126,765.52x = 12,276,756,938.35
  5. Step 5: Solve for x
    x = 12,276,756,938.35/126,765.52
  6. Step 6: Final answer
    x = 96,846.18

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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.