Home / 118,121.57-176,985.09-82,998.35

Finding the Fourth Proportional to 118,121.57, 176,985.09 and 82,998.35

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Solution

The fourth proportional to 118,121.57, 176,985.09 and 82,998.35 is: 124,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,121.57 : 176,985.09 = 82,998.35 : x
  2. Step 2: Convert to fraction form
    118,121.57/176,985.09 = 82,998.35/x
  3. Step 3: Cross multiply
    118,121.57x = 176,985.09 × 82,998.35
  4. Step 4: Simplify right side
    118,121.57x = 14,689,470,444.60
  5. Step 5: Solve for x
    x = 14,689,470,444.60/118,121.57
  6. Step 6: Final answer
    x = 124,358.92

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1.5x scale

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.