Home / 154,668.60-232,032.12-54,817.20

Finding the Fourth Proportional to 154,668.60, 232,032.12 and 54,817.20

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Solution

The fourth proportional to 154,668.60, 232,032.12 and 54,817.20 is: 82,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,668.60 : 232,032.12 = 54,817.20 : x
  2. Step 2: Convert to fraction form
    154,668.60/232,032.12 = 54,817.20/x
  3. Step 3: Cross multiply
    154,668.60x = 232,032.12 × 54,817.20
  4. Step 4: Simplify right side
    154,668.60x = 12,719,351,128.46
  5. Step 5: Solve for x
    x = 12,719,351,128.46/154,668.60
  6. Step 6: Final answer
    x = 82,236.16

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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.