Home / 145,232.20-217,848.30-91,966.60

Finding the Fourth Proportional to 145,232.20, 217,848.30 and 91,966.60

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Solution

The fourth proportional to 145,232.20, 217,848.30 and 91,966.60 is: 137,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,232.20 : 217,848.30 = 91,966.60 : x
  2. Step 2: Convert to fraction form
    145,232.20/217,848.30 = 91,966.60/x
  3. Step 3: Cross multiply
    145,232.20x = 217,848.30 × 91,966.60
  4. Step 4: Simplify right side
    145,232.20x = 20,034,767,466.78
  5. Step 5: Solve for x
    x = 20,034,767,466.78/145,232.20
  6. Step 6: Final answer
    x = 137,949.90

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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.