Home / 148,870.20-223,305.30-98,131.80

Finding the Fourth Proportional to 148,870.20, 223,305.30 and 98,131.80

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Solution

The fourth proportional to 148,870.20, 223,305.30 and 98,131.80 is: 147,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,870.20 : 223,305.30 = 98,131.80 : x
  2. Step 2: Convert to fraction form
    148,870.20/223,305.30 = 98,131.80/x
  3. Step 3: Cross multiply
    148,870.20x = 223,305.30 × 98,131.80
  4. Step 4: Simplify right side
    148,870.20x = 21,913,351,038.54
  5. Step 5: Solve for x
    x = 21,913,351,038.54/148,870.20
  6. Step 6: Final answer
    x = 147,197.70

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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.