Home / 90,710.46-136,067.07-31,548.17

Finding the Fourth Proportional to 90,710.46, 136,067.07 and 31,548.17

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Solution

The fourth proportional to 90,710.46, 136,067.07 and 31,548.17 is: 47,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,710.46 : 136,067.07 = 31,548.17 : x
  2. Step 2: Convert to fraction form
    90,710.46/136,067.07 = 31,548.17/x
  3. Step 3: Cross multiply
    90,710.46x = 136,067.07 × 31,548.17
  4. Step 4: Simplify right side
    90,710.46x = 4,292,666,375.43
  5. Step 5: Solve for x
    x = 4,292,666,375.43/90,710.46
  6. Step 6: Final answer
    x = 47,322.73

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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.