Home / 103,966.13-155,966.02-40,751.98

Finding the Fourth Proportional to 103,966.13, 155,966.02 and 40,751.98

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Solution

The fourth proportional to 103,966.13, 155,966.02 and 40,751.98 is: 61,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,966.13 : 155,966.02 = 40,751.98 : x
  2. Step 2: Convert to fraction form
    103,966.13/155,966.02 = 40,751.98/x
  3. Step 3: Cross multiply
    103,966.13x = 155,966.02 × 40,751.98
  4. Step 4: Simplify right side
    103,966.13x = 6,355,923,635.92
  5. Step 5: Solve for x
    x = 6,355,923,635.92/103,966.13
  6. Step 6: Final answer
    x = 61,134.56

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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.