Home / 94,433.30-141,321.90-86,560.10

Finding the Fourth Proportional to 94,433.30, 141,321.90 and 86,560.10

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Solution

The fourth proportional to 94,433.30, 141,321.90 and 86,560.10 is: 129,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,433.30 : 141,321.90 = 86,560.10 : x
  2. Step 2: Convert to fraction form
    94,433.30/141,321.90 = 86,560.10/x
  3. Step 3: Cross multiply
    94,433.30x = 141,321.90 × 86,560.10
  4. Step 4: Simplify right side
    94,433.30x = 12,232,837,796.19
  5. Step 5: Solve for x
    x = 12,232,837,796.19/94,433.30
  6. Step 6: Final answer
    x = 129,539.45

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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.