Home / 104,169.18-143,658.98-68,345.58

Finding the Fourth Proportional to 104,169.18, 143,658.98 and 68,345.58

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Solution

The fourth proportional to 104,169.18, 143,658.98 and 68,345.58 is: 94,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,169.18 : 143,658.98 = 68,345.58 : x
  2. Step 2: Convert to fraction form
    104,169.18/143,658.98 = 68,345.58/x
  3. Step 3: Cross multiply
    104,169.18x = 143,658.98 × 68,345.58
  4. Step 4: Simplify right side
    104,169.18x = 9,818,456,310.31
  5. Step 5: Solve for x
    x = 9,818,456,310.31/104,169.18
  6. Step 6: Final answer
    x = 94,254.91

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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.