Home / 123,837.32-170,896.17-70,132.79

Finding the Fourth Proportional to 123,837.32, 170,896.17 and 70,132.79

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Solution

The fourth proportional to 123,837.32, 170,896.17 and 70,132.79 is: 96,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837.32 : 170,896.17 = 70,132.79 : x
  2. Step 2: Convert to fraction form
    123,837.32/170,896.17 = 70,132.79/x
  3. Step 3: Cross multiply
    123,837.32x = 170,896.17 × 70,132.79
  4. Step 4: Simplify right side
    123,837.32x = 11,985,425,202.41
  5. Step 5: Solve for x
    x = 11,985,425,202.41/123,837.32
  6. Step 6: Final answer
    x = 96,783.63

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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.