Home / 113,979.86-170,816.95-88,709.89

Finding the Fourth Proportional to 113,979.86, 170,816.95 and 88,709.89

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Solution

The fourth proportional to 113,979.86, 170,816.95 and 88,709.89 is: 132,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,979.86 : 170,816.95 = 88,709.89 : x
  2. Step 2: Convert to fraction form
    113,979.86/170,816.95 = 88,709.89/x
  3. Step 3: Cross multiply
    113,979.86x = 170,816.95 × 88,709.89
  4. Step 4: Simplify right side
    113,979.86x = 15,153,152,844.64
  5. Step 5: Solve for x
    x = 15,153,152,844.64/113,979.86
  6. Step 6: Final answer
    x = 132,945.88

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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.