Home / 148,941.60-223,412.40-137,536.80

Finding the Fourth Proportional to 148,941.60, 223,412.40 and 137,536.80

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Solution

The fourth proportional to 148,941.60, 223,412.40 and 137,536.80 is: 206,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,941.60 : 223,412.40 = 137,536.80 : x
  2. Step 2: Convert to fraction form
    148,941.60/223,412.40 = 137,536.80/x
  3. Step 3: Cross multiply
    148,941.60x = 223,412.40 × 137,536.80
  4. Step 4: Simplify right side
    148,941.60x = 30,727,426,576.32
  5. Step 5: Solve for x
    x = 30,727,426,576.32/148,941.60
  6. Step 6: Final answer
    x = 206,305.20

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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.