Home / 106,571.04-147,110.16-64,121.28

Finding the Fourth Proportional to 106,571.04, 147,110.16 and 64,121.28

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Solution

The fourth proportional to 106,571.04, 147,110.16 and 64,121.28 is: 88,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,571.04 : 147,110.16 = 64,121.28 : x
  2. Step 2: Convert to fraction form
    106,571.04/147,110.16 = 64,121.28/x
  3. Step 3: Cross multiply
    106,571.04x = 147,110.16 × 64,121.28
  4. Step 4: Simplify right side
    106,571.04x = 9,432,891,760.20
  5. Step 5: Solve for x
    x = 9,432,891,760.20/106,571.04
  6. Step 6: Final answer
    x = 88,512.71

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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.