Home / 185,539.50-278,327.47-52,420.79

Finding the Fourth Proportional to 185,539.50, 278,327.47 and 52,420.79

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Solution

The fourth proportional to 185,539.50, 278,327.47 and 52,420.79 is: 78,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,539.50 : 278,327.47 = 52,420.79 : x
  2. Step 2: Convert to fraction form
    185,539.50/278,327.47 = 52,420.79/x
  3. Step 3: Cross multiply
    185,539.50x = 278,327.47 × 52,420.79
  4. Step 4: Simplify right side
    185,539.50x = 14,590,145,856.10
  5. Step 5: Solve for x
    x = 14,590,145,856.10/185,539.50
  6. Step 6: Final answer
    x = 78,636.33

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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.