Home / 107,684.92-161,132.37-89,871.58

Finding the Fourth Proportional to 107,684.92, 161,132.37 and 89,871.58

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Solution

The fourth proportional to 107,684.92, 161,132.37 and 89,871.58 is: 134,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,684.92 : 161,132.37 = 89,871.58 : x
  2. Step 2: Convert to fraction form
    107,684.92/161,132.37 = 89,871.58/x
  3. Step 3: Cross multiply
    107,684.92x = 161,132.37 × 89,871.58
  4. Step 4: Simplify right side
    107,684.92x = 14,481,220,681.04
  5. Step 5: Solve for x
    x = 14,481,220,681.04/107,684.92
  6. Step 6: Final answer
    x = 134,477.70

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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.