Home / 158,350.50-218,523.96-85,754.16

Finding the Fourth Proportional to 158,350.50, 218,523.96 and 85,754.16

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Solution

The fourth proportional to 158,350.50, 218,523.96 and 85,754.16 is: 118,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,350.50 : 218,523.96 = 85,754.16 : x
  2. Step 2: Convert to fraction form
    158,350.50/218,523.96 = 85,754.16/x
  3. Step 3: Cross multiply
    158,350.50x = 218,523.96 × 85,754.16
  4. Step 4: Simplify right side
    158,350.50x = 18,739,338,629.67
  5. Step 5: Solve for x
    x = 18,739,338,629.67/158,350.50
  6. Step 6: Final answer
    x = 118,340.89

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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.