Home / 152,769.29-229,061.84-68,514.21

Finding the Fourth Proportional to 152,769.29, 229,061.84 and 68,514.21

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Solution

The fourth proportional to 152,769.29, 229,061.84 and 68,514.21 is: 102,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,769.29 : 229,061.84 = 68,514.21 : x
  2. Step 2: Convert to fraction form
    152,769.29/229,061.84 = 68,514.21/x
  3. Step 3: Cross multiply
    152,769.29x = 229,061.84 × 68,514.21
  4. Step 4: Simplify right side
    152,769.29x = 15,693,990,666.18
  5. Step 5: Solve for x
    x = 15,693,990,666.18/152,769.29
  6. Step 6: Final answer
    x = 102,730.01

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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.