Home / 103,815.10-155,722.65-101,846.80

Finding the Fourth Proportional to 103,815.10, 155,722.65 and 101,846.80

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Solution

The fourth proportional to 103,815.10, 155,722.65 and 101,846.80 is: 152,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,815.10 : 155,722.65 = 101,846.80 : x
  2. Step 2: Convert to fraction form
    103,815.10/155,722.65 = 101,846.80/x
  3. Step 3: Cross multiply
    103,815.10x = 155,722.65 × 101,846.80
  4. Step 4: Simplify right side
    103,815.10x = 15,859,853,590.02
  5. Step 5: Solve for x
    x = 15,859,853,590.02/103,815.10
  6. Step 6: Final answer
    x = 152,770.20

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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.