Home / 160,788.72-240,012-148,930.32

Finding the Fourth Proportional to 160,788.72, 240,012 and 148,930.32

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Solution

The fourth proportional to 160,788.72, 240,012 and 148,930.32 is: 222,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,788.72 : 240,012 = 148,930.32 : x
  2. Step 2: Convert to fraction form
    160,788.72/240,012 = 148,930.32/x
  3. Step 3: Cross multiply
    160,788.72x = 240,012 × 148,930.32
  4. Step 4: Simplify right side
    160,788.72x = 35,745,063,963.84
  5. Step 5: Solve for x
    x = 35,745,063,963.84/160,788.72
  6. Step 6: Final answer
    x = 222,310.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.