Home / 154,582.40-232,155.20-135,228.80

Finding the Fourth Proportional to 154,582.40, 232,155.20 and 135,228.80

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Solution

The fourth proportional to 154,582.40, 232,155.20 and 135,228.80 is: 203,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,582.40 : 232,155.20 = 135,228.80 : x
  2. Step 2: Convert to fraction form
    154,582.40/232,155.20 = 135,228.80/x
  3. Step 3: Cross multiply
    154,582.40x = 232,155.20 × 135,228.80
  4. Step 4: Simplify right side
    154,582.40x = 31,394,069,109.76
  5. Step 5: Solve for x
    x = 31,394,069,109.76/154,582.40
  6. Step 6: Final answer
    x = 203,089.54

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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.