Home / 98,714.18-147,981.67-51,273.82

Finding the Fourth Proportional to 98,714.18, 147,981.67 and 51,273.82

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Solution

The fourth proportional to 98,714.18, 147,981.67 and 51,273.82 is: 76,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,714.18 : 147,981.67 = 51,273.82 : x
  2. Step 2: Convert to fraction form
    98,714.18/147,981.67 = 51,273.82/x
  3. Step 3: Cross multiply
    98,714.18x = 147,981.67 × 51,273.82
  4. Step 4: Simplify right side
    98,714.18x = 7,587,585,510.88
  5. Step 5: Solve for x
    x = 7,587,585,510.88/98,714.18
  6. Step 6: Final answer
    x = 76,864.19

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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.