Home / 103,784.20-155,676.30-93,614.65

Finding the Fourth Proportional to 103,784.20, 155,676.30 and 93,614.65

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Solution

The fourth proportional to 103,784.20, 155,676.30 and 93,614.65 is: 140,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,784.20 : 155,676.30 = 93,614.65 : x
  2. Step 2: Convert to fraction form
    103,784.20/155,676.30 = 93,614.65/x
  3. Step 3: Cross multiply
    103,784.20x = 155,676.30 × 93,614.65
  4. Step 4: Simplify right side
    103,784.20x = 14,573,582,337.80
  5. Step 5: Solve for x
    x = 14,573,582,337.80/103,784.20
  6. Step 6: Final answer
    x = 140,421.98

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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.