Home / 118,947.15-178,421.00-40,116.74

Finding the Fourth Proportional to 118,947.15, 178,421.00 and 40,116.74

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Solution

The fourth proportional to 118,947.15, 178,421.00 and 40,116.74 is: 60,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,947.15 : 178,421.00 = 40,116.74 : x
  2. Step 2: Convert to fraction form
    118,947.15/178,421.00 = 40,116.74/x
  3. Step 3: Cross multiply
    118,947.15x = 178,421.00 × 40,116.74
  4. Step 4: Simplify right side
    118,947.15x = 7,157,667,774.85
  5. Step 5: Solve for x
    x = 7,157,667,774.85/118,947.15
  6. Step 6: Final answer
    x = 60,175.19

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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.