Home / 91,165.90-136,684.05-34,984.30

Finding the Fourth Proportional to 91,165.90, 136,684.05 and 34,984.30

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Solution

The fourth proportional to 91,165.90, 136,684.05 and 34,984.30 is: 52,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,165.90 : 136,684.05 = 34,984.30 : x
  2. Step 2: Convert to fraction form
    91,165.90/136,684.05 = 34,984.30/x
  3. Step 3: Cross multiply
    91,165.90x = 136,684.05 × 34,984.30
  4. Step 4: Simplify right side
    91,165.90x = 4,781,795,810.42
  5. Step 5: Solve for x
    x = 4,781,795,810.42/91,165.90
  6. Step 6: Final answer
    x = 52,451.58

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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.