Home / 90,276.32-135,398.08-27,081.59

Finding the Fourth Proportional to 90,276.32, 135,398.08 and 27,081.59

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Solution

The fourth proportional to 90,276.32, 135,398.08 and 27,081.59 is: 40,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,276.32 : 135,398.08 = 27,081.59 : x
  2. Step 2: Convert to fraction form
    90,276.32/135,398.08 = 27,081.59/x
  3. Step 3: Cross multiply
    90,276.32x = 135,398.08 × 27,081.59
  4. Step 4: Simplify right side
    90,276.32x = 3,666,795,407.82
  5. Step 5: Solve for x
    x = 3,666,795,407.82/90,276.32
  6. Step 6: Final answer
    x = 40,617.47

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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.