Home / 123,531.23-185,294.88-39,290.18

Finding the Fourth Proportional to 123,531.23, 185,294.88 and 39,290.18

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Solution

The fourth proportional to 123,531.23, 185,294.88 and 39,290.18 is: 58,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,531.23 : 185,294.88 = 39,290.18 : x
  2. Step 2: Convert to fraction form
    123,531.23/185,294.88 = 39,290.18/x
  3. Step 3: Cross multiply
    123,531.23x = 185,294.88 × 39,290.18
  4. Step 4: Simplify right side
    123,531.23x = 7,280,268,261.80
  5. Step 5: Solve for x
    x = 7,280,268,261.80/123,531.23
  6. Step 6: Final answer
    x = 58,934.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.