Home / 106,521.67-147,002.98-58,778.10

Finding the Fourth Proportional to 106,521.67, 147,002.98 and 58,778.10

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Solution

The fourth proportional to 106,521.67, 147,002.98 and 58,778.10 is: 81,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,521.67 : 147,002.98 = 58,778.10 : x
  2. Step 2: Convert to fraction form
    106,521.67/147,002.98 = 58,778.10/x
  3. Step 3: Cross multiply
    106,521.67x = 147,002.98 × 58,778.10
  4. Step 4: Simplify right side
    106,521.67x = 8,640,555,858.74
  5. Step 5: Solve for x
    x = 8,640,555,858.74/106,521.67
  6. Step 6: Final answer
    x = 81,115.47

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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.