Home / 123,526.38-170,378.73-104,581.29

Finding the Fourth Proportional to 123,526.38, 170,378.73 and 104,581.29

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Solution

The fourth proportional to 123,526.38, 170,378.73 and 104,581.29 is: 144,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,526.38 : 170,378.73 = 104,581.29 : x
  2. Step 2: Convert to fraction form
    123,526.38/170,378.73 = 104,581.29/x
  3. Step 3: Cross multiply
    123,526.38x = 170,378.73 × 104,581.29
  4. Step 4: Simplify right side
    123,526.38x = 17,818,427,371.96
  5. Step 5: Solve for x
    x = 17,818,427,371.96/123,526.38
  6. Step 6: Final answer
    x = 144,247.95

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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.