Home / 118,617.20-177,934.90-34,378.50

Finding the Fourth Proportional to 118,617.20, 177,934.90 and 34,378.50

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Solution

The fourth proportional to 118,617.20, 177,934.90 and 34,378.50 is: 51,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,617.20 : 177,934.90 = 34,378.50 : x
  2. Step 2: Convert to fraction form
    118,617.20/177,934.90 = 34,378.50/x
  3. Step 3: Cross multiply
    118,617.20x = 177,934.90 × 34,378.50
  4. Step 4: Simplify right side
    118,617.20x = 6,117,134,959.65
  5. Step 5: Solve for x
    x = 6,117,134,959.65/118,617.20
  6. Step 6: Final answer
    x = 51,570.39

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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.