Home / 103,729.04-143,146.92-59,019.92

Finding the Fourth Proportional to 103,729.04, 143,146.92 and 59,019.92

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Solution

The fourth proportional to 103,729.04, 143,146.92 and 59,019.92 is: 81,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,729.04 : 143,146.92 = 59,019.92 : x
  2. Step 2: Convert to fraction form
    103,729.04/143,146.92 = 59,019.92/x
  3. Step 3: Cross multiply
    103,729.04x = 143,146.92 × 59,019.92
  4. Step 4: Simplify right side
    103,729.04x = 8,448,519,766.65
  5. Step 5: Solve for x
    x = 8,448,519,766.65/103,729.04
  6. Step 6: Final answer
    x = 81,447.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.