Home / 155,787.20-233,565.60-105,742.40

Finding the Fourth Proportional to 155,787.20, 233,565.60 and 105,742.40

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Solution

The fourth proportional to 155,787.20, 233,565.60 and 105,742.40 is: 158,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,787.20 : 233,565.60 = 105,742.40 : x
  2. Step 2: Convert to fraction form
    155,787.20/233,565.60 = 105,742.40/x
  3. Step 3: Cross multiply
    155,787.20x = 233,565.60 × 105,742.40
  4. Step 4: Simplify right side
    155,787.20x = 24,697,787,101.44
  5. Step 5: Solve for x
    x = 24,697,787,101.44/155,787.20
  6. Step 6: Final answer
    x = 158,535.41

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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.