Home / 148,639.80-223,218.90-143,974.20

Finding the Fourth Proportional to 148,639.80, 223,218.90 and 143,974.20

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Solution

The fourth proportional to 148,639.80, 223,218.90 and 143,974.20 is: 216,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,639.80 : 223,218.90 = 143,974.20 : x
  2. Step 2: Convert to fraction form
    148,639.80/223,218.90 = 143,974.20/x
  3. Step 3: Cross multiply
    148,639.80x = 223,218.90 × 143,974.20
  4. Step 4: Simplify right side
    148,639.80x = 32,137,762,552.38
  5. Step 5: Solve for x
    x = 32,137,762,552.38/148,639.80
  6. Step 6: Final answer
    x = 216,212.36

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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.