Home / 118,352.12-177,440.70-43,432.80

Finding the Fourth Proportional to 118,352.12, 177,440.70 and 43,432.80

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Solution

The fourth proportional to 118,352.12, 177,440.70 and 43,432.80 is: 65,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,352.12 : 177,440.70 = 43,432.80 : x
  2. Step 2: Convert to fraction form
    118,352.12/177,440.70 = 43,432.80/x
  3. Step 3: Cross multiply
    118,352.12x = 177,440.70 × 43,432.80
  4. Step 4: Simplify right side
    118,352.12x = 7,706,746,434.96
  5. Step 5: Solve for x
    x = 7,706,746,434.96/118,352.12
  6. Step 6: Final answer
    x = 65,117.10

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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.