Home / 148,672.80-223,268.40-144,007.20

Finding the Fourth Proportional to 148,672.80, 223,268.40 and 144,007.20

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Solution

The fourth proportional to 148,672.80, 223,268.40 and 144,007.20 is: 216,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,672.80 : 223,268.40 = 144,007.20 : x
  2. Step 2: Convert to fraction form
    148,672.80/223,268.40 = 144,007.20/x
  3. Step 3: Cross multiply
    148,672.80x = 223,268.40 × 144,007.20
  4. Step 4: Simplify right side
    148,672.80x = 32,152,257,132.48
  5. Step 5: Solve for x
    x = 32,152,257,132.48/148,672.80
  6. Step 6: Final answer
    x = 216,261.87

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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.