Home / 103,630.45-155,445.68-95,465.65

Finding the Fourth Proportional to 103,630.45, 155,445.68 and 95,465.65

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Solution

The fourth proportional to 103,630.45, 155,445.68 and 95,465.65 is: 143,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.45 : 155,445.68 = 95,465.65 : x
  2. Step 2: Convert to fraction form
    103,630.45/155,445.68 = 95,465.65/x
  3. Step 3: Cross multiply
    103,630.45x = 155,445.68 × 95,465.65
  4. Step 4: Simplify right side
    103,630.45x = 14,839,722,880.89
  5. Step 5: Solve for x
    x = 14,839,722,880.89/103,630.45
  6. Step 6: Final answer
    x = 143,198.48

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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.