Home / 111,320.66-167,035.80-52,146.11

Finding the Fourth Proportional to 111,320.66, 167,035.80 and 52,146.11

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Solution

The fourth proportional to 111,320.66, 167,035.80 and 52,146.11 is: 78,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,320.66 : 167,035.80 = 52,146.11 : x
  2. Step 2: Convert to fraction form
    111,320.66/167,035.80 = 52,146.11/x
  3. Step 3: Cross multiply
    111,320.66x = 167,035.80 × 52,146.11
  4. Step 4: Simplify right side
    111,320.66x = 8,710,267,200.74
  5. Step 5: Solve for x
    x = 8,710,267,200.74/111,320.66
  6. Step 6: Final answer
    x = 78,244.84

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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.