Home / 136,176.40-187,934.78-75,758.42

Finding the Fourth Proportional to 136,176.40, 187,934.78 and 75,758.42

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Solution

The fourth proportional to 136,176.40, 187,934.78 and 75,758.42 is: 104,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,176.40 : 187,934.78 = 75,758.42 : x
  2. Step 2: Convert to fraction form
    136,176.40/187,934.78 = 75,758.42/x
  3. Step 3: Cross multiply
    136,176.40x = 187,934.78 × 75,758.42
  4. Step 4: Simplify right side
    136,176.40x = 14,237,641,617.06
  5. Step 5: Solve for x
    x = 14,237,641,617.06/136,176.40
  6. Step 6: Final answer
    x = 104,552.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.