Home / 106,999.76-147,610.68-69,286.16

Finding the Fourth Proportional to 106,999.76, 147,610.68 and 69,286.16

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Solution

The fourth proportional to 106,999.76, 147,610.68 and 69,286.16 is: 95,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,999.76 : 147,610.68 = 69,286.16 : x
  2. Step 2: Convert to fraction form
    106,999.76/147,610.68 = 69,286.16/x
  3. Step 3: Cross multiply
    106,999.76x = 147,610.68 × 69,286.16
  4. Step 4: Simplify right side
    106,999.76x = 10,227,377,192.19
  5. Step 5: Solve for x
    x = 10,227,377,192.19/106,999.76
  6. Step 6: Final answer
    x = 95,583.18

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1.5x scale

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.