Home / 103,378.65-142,651.44-58,061.58

Finding the Fourth Proportional to 103,378.65, 142,651.44 and 58,061.58

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Solution

The fourth proportional to 103,378.65, 142,651.44 and 58,061.58 is: 80,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,378.65 : 142,651.44 = 58,061.58 : x
  2. Step 2: Convert to fraction form
    103,378.65/142,651.44 = 58,061.58/x
  3. Step 3: Cross multiply
    103,378.65x = 142,651.44 × 58,061.58
  4. Step 4: Simplify right side
    103,378.65x = 8,282,567,995.68
  5. Step 5: Solve for x
    x = 8,282,567,995.68/103,378.65
  6. Step 6: Final answer
    x = 80,118.75

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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.