Home / 170,854.80-255,677.40-148,909.20

Finding the Fourth Proportional to 170,854.80, 255,677.40 and 148,909.20

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Solution

The fourth proportional to 170,854.80, 255,677.40 and 148,909.20 is: 222,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,854.80 : 255,677.40 = 148,909.20 : x
  2. Step 2: Convert to fraction form
    170,854.80/255,677.40 = 148,909.20/x
  3. Step 3: Cross multiply
    170,854.80x = 255,677.40 × 148,909.20
  4. Step 4: Simplify right side
    170,854.80x = 38,072,717,092.08
  5. Step 5: Solve for x
    x = 38,072,717,092.08/170,854.80
  6. Step 6: Final answer
    x = 222,836.68

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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.