Home / 158,225.50-218,357.22-90,253.54

Finding the Fourth Proportional to 158,225.50, 218,357.22 and 90,253.54

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Solution

The fourth proportional to 158,225.50, 218,357.22 and 90,253.54 is: 124,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,225.50 : 218,357.22 = 90,253.54 : x
  2. Step 2: Convert to fraction form
    158,225.50/218,357.22 = 90,253.54/x
  3. Step 3: Cross multiply
    158,225.50x = 218,357.22 × 90,253.54
  4. Step 4: Simplify right side
    158,225.50x = 19,707,512,193.28
  5. Step 5: Solve for x
    x = 19,707,512,193.28/158,225.50
  6. Step 6: Final answer
    x = 124,553.32

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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.