Home / 103,929.57-143,424.14-63,081.90

Finding the Fourth Proportional to 103,929.57, 143,424.14 and 63,081.90

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Solution

The fourth proportional to 103,929.57, 143,424.14 and 63,081.90 is: 87,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,929.57 : 143,424.14 = 63,081.90 : x
  2. Step 2: Convert to fraction form
    103,929.57/143,424.14 = 63,081.90/x
  3. Step 3: Cross multiply
    103,929.57x = 143,424.14 × 63,081.90
  4. Step 4: Simplify right side
    103,929.57x = 9,047,466,941.66
  5. Step 5: Solve for x
    x = 9,047,466,941.66/103,929.57
  6. Step 6: Final answer
    x = 87,053.83

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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.