Home / 149,326.30-206,070.57-88,899.03

Finding the Fourth Proportional to 149,326.30, 206,070.57 and 88,899.03

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Solution

The fourth proportional to 149,326.30, 206,070.57 and 88,899.03 is: 122,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,326.30 : 206,070.57 = 88,899.03 : x
  2. Step 2: Convert to fraction form
    149,326.30/206,070.57 = 88,899.03/x
  3. Step 3: Cross multiply
    149,326.30x = 206,070.57 × 88,899.03
  4. Step 4: Simplify right side
    149,326.30x = 18,319,473,784.55
  5. Step 5: Solve for x
    x = 18,319,473,784.55/149,326.30
  6. Step 6: Final answer
    x = 122,680.83

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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.