Home / 90,473.40-124,853.90-50,186.36

Finding the Fourth Proportional to 90,473.40, 124,853.90 and 50,186.36

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Solution

The fourth proportional to 90,473.40, 124,853.90 and 50,186.36 is: 69,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,473.40 : 124,853.90 = 50,186.36 : x
  2. Step 2: Convert to fraction form
    90,473.40/124,853.90 = 50,186.36/x
  3. Step 3: Cross multiply
    90,473.40x = 124,853.90 × 50,186.36
  4. Step 4: Simplify right side
    90,473.40x = 6,265,962,772.80
  5. Step 5: Solve for x
    x = 6,265,962,772.80/90,473.40
  6. Step 6: Final answer
    x = 69,257.51

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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.