Home / 107,726.16-161,076.24-98,315.18

Finding the Fourth Proportional to 107,726.16, 161,076.24 and 98,315.18

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Solution

The fourth proportional to 107,726.16, 161,076.24 and 98,315.18 is: 147,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,726.16 : 161,076.24 = 98,315.18 : x
  2. Step 2: Convert to fraction form
    107,726.16/161,076.24 = 98,315.18/x
  3. Step 3: Cross multiply
    107,726.16x = 161,076.24 × 98,315.18
  4. Step 4: Simplify right side
    107,726.16x = 15,836,238,723.94
  5. Step 5: Solve for x
    x = 15,836,238,723.94/107,726.16
  6. Step 6: Final answer
    x = 147,004.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.