Home / 118,318.76-177,418.20-39,405.32

Finding the Fourth Proportional to 118,318.76, 177,418.20 and 39,405.32

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Solution

The fourth proportional to 118,318.76, 177,418.20 and 39,405.32 is: 59,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,318.76 : 177,418.20 = 39,405.32 : x
  2. Step 2: Convert to fraction form
    118,318.76/177,418.20 = 39,405.32/x
  3. Step 3: Cross multiply
    118,318.76x = 177,418.20 × 39,405.32
  4. Step 4: Simplify right side
    118,318.76x = 6,991,220,944.82
  5. Step 5: Solve for x
    x = 6,991,220,944.82/118,318.76
  6. Step 6: Final answer
    x = 59,088.02

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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.