Home / 91,146.20-136,500.60-44,344.40

Finding the Fourth Proportional to 91,146.20, 136,500.60 and 44,344.40

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Solution

The fourth proportional to 91,146.20, 136,500.60 and 44,344.40 is: 66,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.20 : 136,500.60 = 44,344.40 : x
  2. Step 2: Convert to fraction form
    91,146.20/136,500.60 = 44,344.40/x
  3. Step 3: Cross multiply
    91,146.20x = 136,500.60 × 44,344.40
  4. Step 4: Simplify right side
    91,146.20x = 6,053,037,206.64
  5. Step 5: Solve for x
    x = 6,053,037,206.64/91,146.20
  6. Step 6: Final answer
    x = 66,410.20

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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.