Home / 108,307.07-162,461.04-71,102.55

Finding the Fourth Proportional to 108,307.07, 162,461.04 and 71,102.55

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Solution

The fourth proportional to 108,307.07, 162,461.04 and 71,102.55 is: 106,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,307.07 : 162,461.04 = 71,102.55 : x
  2. Step 2: Convert to fraction form
    108,307.07/162,461.04 = 71,102.55/x
  3. Step 3: Cross multiply
    108,307.07x = 162,461.04 × 71,102.55
  4. Step 4: Simplify right side
    108,307.07x = 11,551,394,219.65
  5. Step 5: Solve for x
    x = 11,551,394,219.65/108,307.07
  6. Step 6: Final answer
    x = 106,654.12

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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.