Home / 121,360.86-182,696.50-109,154.16

Finding the Fourth Proportional to 121,360.86, 182,696.50 and 109,154.16

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Solution

The fourth proportional to 121,360.86, 182,696.50 and 109,154.16 is: 164,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,360.86 : 182,696.50 = 109,154.16 : x
  2. Step 2: Convert to fraction form
    121,360.86/182,696.50 = 109,154.16/x
  3. Step 3: Cross multiply
    121,360.86x = 182,696.50 × 109,154.16
  4. Step 4: Simplify right side
    121,360.86x = 19,942,082,992.44
  5. Step 5: Solve for x
    x = 19,942,082,992.44/121,360.86
  6. Step 6: Final answer
    x = 164,320.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.