Home / 126,332.39-174,339.02-68,971.79

Finding the Fourth Proportional to 126,332.39, 174,339.02 and 68,971.79

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Solution

The fourth proportional to 126,332.39, 174,339.02 and 68,971.79 is: 95,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,332.39 : 174,339.02 = 68,971.79 : x
  2. Step 2: Convert to fraction form
    126,332.39/174,339.02 = 68,971.79/x
  3. Step 3: Cross multiply
    126,332.39x = 174,339.02 × 68,971.79
  4. Step 4: Simplify right side
    126,332.39x = 12,024,474,276.25
  5. Step 5: Solve for x
    x = 12,024,474,276.25/126,332.39
  6. Step 6: Final answer
    x = 95,181.25

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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.