Home / 91,890.20-137,835.30-88,002.20

Finding the Fourth Proportional to 91,890.20, 137,835.30 and 88,002.20

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Solution

The fourth proportional to 91,890.20, 137,835.30 and 88,002.20 is: 132,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,890.20 : 137,835.30 = 88,002.20 : x
  2. Step 2: Convert to fraction form
    91,890.20/137,835.30 = 88,002.20/x
  3. Step 3: Cross multiply
    91,890.20x = 137,835.30 × 88,002.20
  4. Step 4: Simplify right side
    91,890.20x = 12,129,809,637.66
  5. Step 5: Solve for x
    x = 12,129,809,637.66/91,890.20
  6. Step 6: Final answer
    x = 132,003.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.