Home / 126,560.16-174,650.88-90,328.32

Finding the Fourth Proportional to 126,560.16, 174,650.88 and 90,328.32

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Solution

The fourth proportional to 126,560.16, 174,650.88 and 90,328.32 is: 124,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,560.16 : 174,650.88 = 90,328.32 : x
  2. Step 2: Convert to fraction form
    126,560.16/174,650.88 = 90,328.32/x
  3. Step 3: Cross multiply
    126,560.16x = 174,650.88 × 90,328.32
  4. Step 4: Simplify right side
    126,560.16x = 15,775,920,576.92
  5. Step 5: Solve for x
    x = 15,775,920,576.92/126,560.16
  6. Step 6: Final answer
    x = 124,651.55

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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.