Home / 185,713.94-278,411.03-79,000.18

Finding the Fourth Proportional to 185,713.94, 278,411.03 and 79,000.18

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Solution

The fourth proportional to 185,713.94, 278,411.03 and 79,000.18 is: 118,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,713.94 : 278,411.03 = 79,000.18 : x
  2. Step 2: Convert to fraction form
    185,713.94/278,411.03 = 79,000.18/x
  3. Step 3: Cross multiply
    185,713.94x = 278,411.03 × 79,000.18
  4. Step 4: Simplify right side
    185,713.94x = 21,994,521,733.25
  5. Step 5: Solve for x
    x = 21,994,521,733.25/185,713.94
  6. Step 6: Final answer
    x = 118,432.26

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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.