Home / 155,789.54-233,590.83-71,444.05

Finding the Fourth Proportional to 155,789.54, 233,590.83 and 71,444.05

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Solution

The fourth proportional to 155,789.54, 233,590.83 and 71,444.05 is: 107,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,789.54 : 233,590.83 = 71,444.05 : x
  2. Step 2: Convert to fraction form
    155,789.54/233,590.83 = 71,444.05/x
  3. Step 3: Cross multiply
    155,789.54x = 233,590.83 × 71,444.05
  4. Step 4: Simplify right side
    155,789.54x = 16,688,673,770.11
  5. Step 5: Solve for x
    x = 16,688,673,770.11/155,789.54
  6. Step 6: Final answer
    x = 107,123.20

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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.