Home / 90,002.34-135,018.09-27,672.84

Finding the Fourth Proportional to 90,002.34, 135,018.09 and 27,672.84

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Solution

The fourth proportional to 90,002.34, 135,018.09 and 27,672.84 is: 41,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002.34 : 135,018.09 = 27,672.84 : x
  2. Step 2: Convert to fraction form
    90,002.34/135,018.09 = 27,672.84/x
  3. Step 3: Cross multiply
    90,002.34x = 135,018.09 × 27,672.84
  4. Step 4: Simplify right side
    90,002.34x = 3,736,334,001.68
  5. Step 5: Solve for x
    x = 3,736,334,001.68/90,002.34
  6. Step 6: Final answer
    x = 41,513.74

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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.