Home / 136,792.24-188,765.46-76,366.72

Finding the Fourth Proportional to 136,792.24, 188,765.46 and 76,366.72

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Solution

The fourth proportional to 136,792.24, 188,765.46 and 76,366.72 is: 105,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,792.24 : 188,765.46 = 76,366.72 : x
  2. Step 2: Convert to fraction form
    136,792.24/188,765.46 = 76,366.72/x
  3. Step 3: Cross multiply
    136,792.24x = 188,765.46 × 76,366.72
  4. Step 4: Simplify right side
    136,792.24x = 14,415,399,029.49
  5. Step 5: Solve for x
    x = 14,415,399,029.49/136,792.24
  6. Step 6: Final answer
    x = 105,381.70

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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.