Home / 149,427.25-206,195.15-85,752.74

Finding the Fourth Proportional to 149,427.25, 206,195.15 and 85,752.74

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Solution

The fourth proportional to 149,427.25, 206,195.15 and 85,752.74 is: 118,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,427.25 : 206,195.15 = 85,752.74 : x
  2. Step 2: Convert to fraction form
    149,427.25/206,195.15 = 85,752.74/x
  3. Step 3: Cross multiply
    149,427.25x = 206,195.15 × 85,752.74
  4. Step 4: Simplify right side
    149,427.25x = 17,681,799,817.08
  5. Step 5: Solve for x
    x = 17,681,799,817.08/149,427.25
  6. Step 6: Final answer
    x = 118,330.49

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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.