Home / 123,836.57-170,895.12-70,132.04

Finding the Fourth Proportional to 123,836.57, 170,895.12 and 70,132.04

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Solution

The fourth proportional to 123,836.57, 170,895.12 and 70,132.04 is: 96,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,836.57 : 170,895.12 = 70,132.04 : x
  2. Step 2: Convert to fraction form
    123,836.57/170,895.12 = 70,132.04/x
  3. Step 3: Cross multiply
    123,836.57x = 170,895.12 × 70,132.04
  4. Step 4: Simplify right side
    123,836.57x = 11,985,223,391.64
  5. Step 5: Solve for x
    x = 11,985,223,391.64/123,836.57
  6. Step 6: Final answer
    x = 96,782.59

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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.