Home / 102,818.97-154,009.76-60,653.61

Finding the Fourth Proportional to 102,818.97, 154,009.76 and 60,653.61

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Solution

The fourth proportional to 102,818.97, 154,009.76 and 60,653.61 is: 90,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,818.97 : 154,009.76 = 60,653.61 : x
  2. Step 2: Convert to fraction form
    102,818.97/154,009.76 = 60,653.61/x
  3. Step 3: Cross multiply
    102,818.97x = 154,009.76 × 60,653.61
  4. Step 4: Simplify right side
    102,818.97x = 9,341,247,615.97
  5. Step 5: Solve for x
    x = 9,341,247,615.97/102,818.97
  6. Step 6: Final answer
    x = 90,851.40

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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.