Home / 158,229.04-218,357.43-90,249.46

Finding the Fourth Proportional to 158,229.04, 218,357.43 and 90,249.46

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Solution

The fourth proportional to 158,229.04, 218,357.43 and 90,249.46 is: 124,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,229.04 : 218,357.43 = 90,249.46 : x
  2. Step 2: Convert to fraction form
    158,229.04/218,357.43 = 90,249.46/x
  3. Step 3: Cross multiply
    158,229.04x = 218,357.43 × 90,249.46
  4. Step 4: Simplify right side
    158,229.04x = 19,706,639,598.59
  5. Step 5: Solve for x
    x = 19,706,639,598.59/158,229.04
  6. Step 6: Final answer
    x = 124,545.03

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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.