Home / 178,827.88-246,689.94-121,470.16

Finding the Fourth Proportional to 178,827.88, 246,689.94 and 121,470.16

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Solution

The fourth proportional to 178,827.88, 246,689.94 and 121,470.16 is: 167,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,827.88 : 246,689.94 = 121,470.16 : x
  2. Step 2: Convert to fraction form
    178,827.88/246,689.94 = 121,470.16/x
  3. Step 3: Cross multiply
    178,827.88x = 246,689.94 × 121,470.16
  4. Step 4: Simplify right side
    178,827.88x = 29,965,466,482.19
  5. Step 5: Solve for x
    x = 29,965,466,482.19/178,827.88
  6. Step 6: Final answer
    x = 167,565.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.