Home / 113,877.80-170,816.70-40,005.80

Finding the Fourth Proportional to 113,877.80, 170,816.70 and 40,005.80

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Solution

The fourth proportional to 113,877.80, 170,816.70 and 40,005.80 is: 60,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,877.80 : 170,816.70 = 40,005.80 : x
  2. Step 2: Convert to fraction form
    113,877.80/170,816.70 = 40,005.80/x
  3. Step 3: Cross multiply
    113,877.80x = 170,816.70 × 40,005.80
  4. Step 4: Simplify right side
    113,877.80x = 6,833,658,736.86
  5. Step 5: Solve for x
    x = 6,833,658,736.86/113,877.80
  6. Step 6: Final answer
    x = 60,008.70

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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.