Home / 90,100.32-135,169.56-26,925.36

Finding the Fourth Proportional to 90,100.32, 135,169.56 and 26,925.36

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Solution

The fourth proportional to 90,100.32, 135,169.56 and 26,925.36 is: 40,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,100.32 : 135,169.56 = 26,925.36 : x
  2. Step 2: Convert to fraction form
    90,100.32/135,169.56 = 26,925.36/x
  3. Step 3: Cross multiply
    90,100.32x = 135,169.56 × 26,925.36
  4. Step 4: Simplify right side
    90,100.32x = 3,639,489,064.04
  5. Step 5: Solve for x
    x = 3,639,489,064.04/90,100.32
  6. Step 6: Final answer
    x = 40,393.74

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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.