Home / 113,669.20-170,831.85-111,700.90

Finding the Fourth Proportional to 113,669.20, 170,831.85 and 111,700.90

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Solution

The fourth proportional to 113,669.20, 170,831.85 and 111,700.90 is: 167,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,669.20 : 170,831.85 = 111,700.90 : x
  2. Step 2: Convert to fraction form
    113,669.20/170,831.85 = 111,700.90/x
  3. Step 3: Cross multiply
    113,669.20x = 170,831.85 × 111,700.90
  4. Step 4: Simplify right side
    113,669.20x = 19,082,071,393.67
  5. Step 5: Solve for x
    x = 19,082,071,393.67/113,669.20
  6. Step 6: Final answer
    x = 167,873.72

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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.