Home / 108,071.04-149,169.70-62,769.38

Finding the Fourth Proportional to 108,071.04, 149,169.70 and 62,769.38

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Solution

The fourth proportional to 108,071.04, 149,169.70 and 62,769.38 is: 86,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,071.04 : 149,169.70 = 62,769.38 : x
  2. Step 2: Convert to fraction form
    108,071.04/149,169.70 = 62,769.38/x
  3. Step 3: Cross multiply
    108,071.04x = 149,169.70 × 62,769.38
  4. Step 4: Simplify right side
    108,071.04x = 9,363,289,583.79
  5. Step 5: Solve for x
    x = 9,363,289,583.79/108,071.04
  6. Step 6: Final answer
    x = 86,640.14

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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.