Home / 90,088.32-135,111.81-33,934.26

Finding the Fourth Proportional to 90,088.32, 135,111.81 and 33,934.26

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Solution

The fourth proportional to 90,088.32, 135,111.81 and 33,934.26 is: 50,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,088.32 : 135,111.81 = 33,934.26 : x
  2. Step 2: Convert to fraction form
    90,088.32/135,111.81 = 33,934.26/x
  3. Step 3: Cross multiply
    90,088.32x = 135,111.81 × 33,934.26
  4. Step 4: Simplify right side
    90,088.32x = 4,584,919,289.61
  5. Step 5: Solve for x
    x = 4,584,919,289.61/90,088.32
  6. Step 6: Final answer
    x = 50,893.60

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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.