Home / 158,052.15-218,132.87-90,093.69

Finding the Fourth Proportional to 158,052.15, 218,132.87 and 90,093.69

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Solution

The fourth proportional to 158,052.15, 218,132.87 and 90,093.69 is: 124,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,052.15 : 218,132.87 = 90,093.69 : x
  2. Step 2: Convert to fraction form
    158,052.15/218,132.87 = 90,093.69/x
  3. Step 3: Cross multiply
    158,052.15x = 218,132.87 × 90,093.69
  4. Step 4: Simplify right side
    158,052.15x = 19,652,394,718.12
  5. Step 5: Solve for x
    x = 19,652,394,718.12/158,052.15
  6. Step 6: Final answer
    x = 124,341.20

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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.