Home / 98,610.24-136,082.06-53,288.21

Finding the Fourth Proportional to 98,610.24, 136,082.06 and 53,288.21

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Solution

The fourth proportional to 98,610.24, 136,082.06 and 53,288.21 is: 73,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,610.24 : 136,082.06 = 53,288.21 : x
  2. Step 2: Convert to fraction form
    98,610.24/136,082.06 = 53,288.21/x
  3. Step 3: Cross multiply
    98,610.24x = 136,082.06 × 53,288.21
  4. Step 4: Simplify right side
    98,610.24x = 7,251,568,443.66
  5. Step 5: Solve for x
    x = 7,251,568,443.66/98,610.24
  6. Step 6: Final answer
    x = 73,537.68

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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.