Home / 103,849.65-155,790.86-36,400.28

Finding the Fourth Proportional to 103,849.65, 155,790.86 and 36,400.28

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Solution

The fourth proportional to 103,849.65, 155,790.86 and 36,400.28 is: 54,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,849.65 : 155,790.86 = 36,400.28 : x
  2. Step 2: Convert to fraction form
    103,849.65/155,790.86 = 36,400.28/x
  3. Step 3: Cross multiply
    103,849.65x = 155,790.86 × 36,400.28
  4. Step 4: Simplify right side
    103,849.65x = 5,670,829,964.49
  5. Step 5: Solve for x
    x = 5,670,829,964.49/103,849.65
  6. Step 6: Final answer
    x = 54,606.15

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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.