Home / 118,512.90-177,510.15-92,009.70

Finding the Fourth Proportional to 118,512.90, 177,510.15 and 92,009.70

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Solution

The fourth proportional to 118,512.90, 177,510.15 and 92,009.70 is: 137,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,512.90 : 177,510.15 = 92,009.70 : x
  2. Step 2: Convert to fraction form
    118,512.90/177,510.15 = 92,009.70/x
  3. Step 3: Cross multiply
    118,512.90x = 177,510.15 × 92,009.70
  4. Step 4: Simplify right side
    118,512.90x = 16,332,655,648.46
  5. Step 5: Solve for x
    x = 16,332,655,648.46/118,512.90
  6. Step 6: Final answer
    x = 137,813.32

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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.