Home / 123,581.34-170,535.64-69,863.16

Finding the Fourth Proportional to 123,581.34, 170,535.64 and 69,863.16

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Solution

The fourth proportional to 123,581.34, 170,535.64 and 69,863.16 is: 96,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,581.34 : 170,535.64 = 69,863.16 : x
  2. Step 2: Convert to fraction form
    123,581.34/170,535.64 = 69,863.16/x
  3. Step 3: Cross multiply
    123,581.34x = 170,535.64 × 69,863.16
  4. Step 4: Simplify right side
    123,581.34x = 11,914,158,703.02
  5. Step 5: Solve for x
    x = 11,914,158,703.02/123,581.34
  6. Step 6: Final answer
    x = 96,407.42

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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.