Home / 118,505.22-177,767.28-39,619.86

Finding the Fourth Proportional to 118,505.22, 177,767.28 and 39,619.86

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Solution

The fourth proportional to 118,505.22, 177,767.28 and 39,619.86 is: 59,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,505.22 : 177,767.28 = 39,619.86 : x
  2. Step 2: Convert to fraction form
    118,505.22/177,767.28 = 39,619.86/x
  3. Step 3: Cross multiply
    118,505.22x = 177,767.28 × 39,619.86
  4. Step 4: Simplify right side
    118,505.22x = 7,043,114,746.18
  5. Step 5: Solve for x
    x = 7,043,114,746.18/118,505.22
  6. Step 6: Final answer
    x = 59,432.95

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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.