Home / 123,822.76-170,883.12-70,113.28

Finding the Fourth Proportional to 123,822.76, 170,883.12 and 70,113.28

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Solution

The fourth proportional to 123,822.76, 170,883.12 and 70,113.28 is: 96,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,822.76 : 170,883.12 = 70,113.28 : x
  2. Step 2: Convert to fraction form
    123,822.76/170,883.12 = 70,113.28/x
  3. Step 3: Cross multiply
    123,822.76x = 170,883.12 × 70,113.28
  4. Step 4: Simplify right side
    123,822.76x = 11,981,176,039.83
  5. Step 5: Solve for x
    x = 11,981,176,039.83/123,822.76
  6. Step 6: Final answer
    x = 96,760.69

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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.