Home / 134,148.78-185,084.95-80,414.19

Finding the Fourth Proportional to 134,148.78, 185,084.95 and 80,414.19

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Solution

The fourth proportional to 134,148.78, 185,084.95 and 80,414.19 is: 110,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,148.78 : 185,084.95 = 80,414.19 : x
  2. Step 2: Convert to fraction form
    134,148.78/185,084.95 = 80,414.19/x
  3. Step 3: Cross multiply
    134,148.78x = 185,084.95 × 80,414.19
  4. Step 4: Simplify right side
    134,148.78x = 14,883,455,933.37
  5. Step 5: Solve for x
    x = 14,883,455,933.37/134,148.78
  6. Step 6: Final answer
    x = 110,947.38

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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.