Home / 150,346.03-207,419.65-85,818.90

Finding the Fourth Proportional to 150,346.03, 207,419.65 and 85,818.90

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Solution

The fourth proportional to 150,346.03, 207,419.65 and 85,818.90 is: 118,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,346.03 : 207,419.65 = 85,818.90 : x
  2. Step 2: Convert to fraction form
    150,346.03/207,419.65 = 85,818.90/x
  3. Step 3: Cross multiply
    150,346.03x = 207,419.65 × 85,818.90
  4. Step 4: Simplify right side
    150,346.03x = 17,800,526,080.66
  5. Step 5: Solve for x
    x = 17,800,526,080.66/150,346.03
  6. Step 6: Final answer
    x = 118,397.05

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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.