Home / 113,200.60-169,995.30-80,152.60

Finding the Fourth Proportional to 113,200.60, 169,995.30 and 80,152.60

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Solution

The fourth proportional to 113,200.60, 169,995.30 and 80,152.60 is: 120,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,200.60 : 169,995.30 = 80,152.60 : x
  2. Step 2: Convert to fraction form
    113,200.60/169,995.30 = 80,152.60/x
  3. Step 3: Cross multiply
    113,200.60x = 169,995.30 × 80,152.60
  4. Step 4: Simplify right side
    113,200.60x = 13,625,565,282.78
  5. Step 5: Solve for x
    x = 13,625,565,282.78/113,200.60
  6. Step 6: Final answer
    x = 120,366.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.