Home / 108,140.50-149,215.75-60,394.04

Finding the Fourth Proportional to 108,140.50, 149,215.75 and 60,394.04

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Solution

The fourth proportional to 108,140.50, 149,215.75 and 60,394.04 is: 83,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,140.50 : 149,215.75 = 60,394.04 : x
  2. Step 2: Convert to fraction form
    108,140.50/149,215.75 = 60,394.04/x
  3. Step 3: Cross multiply
    108,140.50x = 149,215.75 × 60,394.04
  4. Step 4: Simplify right side
    108,140.50x = 9,011,740,926.08
  5. Step 5: Solve for x
    x = 9,011,740,926.08/108,140.50
  6. Step 6: Final answer
    x = 83,333.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.