Home / 111,734.90-167,947.95-109,661.30

Finding the Fourth Proportional to 111,734.90, 167,947.95 and 109,661.30

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Solution

The fourth proportional to 111,734.90, 167,947.95 and 109,661.30 is: 164,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,734.90 : 167,947.95 = 109,661.30 : x
  2. Step 2: Convert to fraction form
    111,734.90/167,947.95 = 109,661.30/x
  3. Step 3: Cross multiply
    111,734.90x = 167,947.95 × 109,661.30
  4. Step 4: Simplify right side
    111,734.90x = 18,417,390,529.34
  5. Step 5: Solve for x
    x = 18,417,390,529.34/111,734.90
  6. Step 6: Final answer
    x = 164,831.14

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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.