Home / 90,341.82-135,438.84-34,150.14

Finding the Fourth Proportional to 90,341.82, 135,438.84 and 34,150.14

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Solution

The fourth proportional to 90,341.82, 135,438.84 and 34,150.14 is: 51,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,341.82 : 135,438.84 = 34,150.14 : x
  2. Step 2: Convert to fraction form
    90,341.82/135,438.84 = 34,150.14/x
  3. Step 3: Cross multiply
    90,341.82x = 135,438.84 × 34,150.14
  4. Step 4: Simplify right side
    90,341.82x = 4,625,255,347.44
  5. Step 5: Solve for x
    x = 4,625,255,347.44/90,341.82
  6. Step 6: Final answer
    x = 51,197.28

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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.