Home / 106,721.22-147,275.24-58,974.15

Finding the Fourth Proportional to 106,721.22, 147,275.24 and 58,974.15

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Solution

The fourth proportional to 106,721.22, 147,275.24 and 58,974.15 is: 81,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,721.22 : 147,275.24 = 58,974.15 : x
  2. Step 2: Convert to fraction form
    106,721.22/147,275.24 = 58,974.15/x
  3. Step 3: Cross multiply
    106,721.22x = 147,275.24 × 58,974.15
  4. Step 4: Simplify right side
    106,721.22x = 8,685,431,800.18
  5. Step 5: Solve for x
    x = 8,685,431,800.18/106,721.22
  6. Step 6: Final answer
    x = 81,384.30

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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.