Home / 118,005.40-177,012.42-39,126.52

Finding the Fourth Proportional to 118,005.40, 177,012.42 and 39,126.52

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Solution

The fourth proportional to 118,005.40, 177,012.42 and 39,126.52 is: 58,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,005.40 : 177,012.42 = 39,126.52 : x
  2. Step 2: Convert to fraction form
    118,005.40/177,012.42 = 39,126.52/x
  3. Step 3: Cross multiply
    118,005.40x = 177,012.42 × 39,126.52
  4. Step 4: Simplify right side
    118,005.40x = 6,925,879,991.38
  5. Step 5: Solve for x
    x = 6,925,879,991.38/118,005.40
  6. Step 6: Final answer
    x = 58,691.21

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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.