Home / 154,968.60-232,452.90-42,648.60

Finding the Fourth Proportional to 154,968.60, 232,452.90 and 42,648.60

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Solution

The fourth proportional to 154,968.60, 232,452.90 and 42,648.60 is: 63,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,968.60 : 232,452.90 = 42,648.60 : x
  2. Step 2: Convert to fraction form
    154,968.60/232,452.90 = 42,648.60/x
  3. Step 3: Cross multiply
    154,968.60x = 232,452.90 × 42,648.60
  4. Step 4: Simplify right side
    154,968.60x = 9,913,790,750.94
  5. Step 5: Solve for x
    x = 9,913,790,750.94/154,968.60
  6. Step 6: Final answer
    x = 63,972.90

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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.