Home / 126,311.08-174,314.34-69,720.52

Finding the Fourth Proportional to 126,311.08, 174,314.34 and 69,720.52

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Solution

The fourth proportional to 126,311.08, 174,314.34 and 69,720.52 is: 96,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311.08 : 174,314.34 = 69,720.52 : x
  2. Step 2: Convert to fraction form
    126,311.08/174,314.34 = 69,720.52/x
  3. Step 3: Cross multiply
    126,311.08x = 174,314.34 × 69,720.52
  4. Step 4: Simplify right side
    126,311.08x = 12,153,286,428.26
  5. Step 5: Solve for x
    x = 12,153,286,428.26/126,311.08
  6. Step 6: Final answer
    x = 96,217.10

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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.