Home / 185,885.91-278,828.31-52,766.28

Finding the Fourth Proportional to 185,885.91, 278,828.31 and 52,766.28

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Solution

The fourth proportional to 185,885.91, 278,828.31 and 52,766.28 is: 79,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,885.91 : 278,828.31 = 52,766.28 : x
  2. Step 2: Convert to fraction form
    185,885.91/278,828.31 = 52,766.28/x
  3. Step 3: Cross multiply
    185,885.91x = 278,828.31 × 52,766.28
  4. Step 4: Simplify right side
    185,885.91x = 14,712,732,677.39
  5. Step 5: Solve for x
    x = 14,712,732,677.39/185,885.91
  6. Step 6: Final answer
    x = 79,149.26

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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.