Home / 149,417.26-206,397.72-119,412.88

Finding the Fourth Proportional to 149,417.26, 206,397.72 and 119,412.88

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Solution

The fourth proportional to 149,417.26, 206,397.72 and 119,412.88 is: 164,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,417.26 : 206,397.72 = 119,412.88 : x
  2. Step 2: Convert to fraction form
    149,417.26/206,397.72 = 119,412.88/x
  3. Step 3: Cross multiply
    149,417.26x = 206,397.72 × 119,412.88
  4. Step 4: Simplify right side
    149,417.26x = 24,646,546,170.63
  5. Step 5: Solve for x
    x = 24,646,546,170.63/149,417.26
  6. Step 6: Final answer
    x = 164,951.13

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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.