Home / 126,318.34-174,319.14-69,729.58

Finding the Fourth Proportional to 126,318.34, 174,319.14 and 69,729.58

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Solution

The fourth proportional to 126,318.34, 174,319.14 and 69,729.58 is: 96,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,318.34 : 174,319.14 = 69,729.58 : x
  2. Step 2: Convert to fraction form
    126,318.34/174,319.14 = 69,729.58/x
  3. Step 3: Cross multiply
    126,318.34x = 174,319.14 × 69,729.58
  4. Step 4: Simplify right side
    126,318.34x = 12,155,200,418.16
  5. Step 5: Solve for x
    x = 12,155,200,418.16/126,318.34
  6. Step 6: Final answer
    x = 96,226.73

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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.