Home / 147,432.20-221,148.30-36,624.20

Finding the Fourth Proportional to 147,432.20, 221,148.30 and 36,624.20

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Solution

The fourth proportional to 147,432.20, 221,148.30 and 36,624.20 is: 54,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,432.20 : 221,148.30 = 36,624.20 : x
  2. Step 2: Convert to fraction form
    147,432.20/221,148.30 = 36,624.20/x
  3. Step 3: Cross multiply
    147,432.20x = 221,148.30 × 36,624.20
  4. Step 4: Simplify right side
    147,432.20x = 8,099,379,568.86
  5. Step 5: Solve for x
    x = 8,099,379,568.86/147,432.20
  6. Step 6: Final answer
    x = 54,936.30

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1.5x scale

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.