Home / 91,146.42-136,807.20-44,432.10

Finding the Fourth Proportional to 91,146.42, 136,807.20 and 44,432.10

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Solution

The fourth proportional to 91,146.42, 136,807.20 and 44,432.10 is: 66,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.42 : 136,807.20 = 44,432.10 : x
  2. Step 2: Convert to fraction form
    91,146.42/136,807.20 = 44,432.10/x
  3. Step 3: Cross multiply
    91,146.42x = 136,807.20 × 44,432.10
  4. Step 4: Simplify right side
    91,146.42x = 6,078,631,191.12
  5. Step 5: Solve for x
    x = 6,078,631,191.12/91,146.42
  6. Step 6: Final answer
    x = 66,690.84

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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.