Home / 90,036.20-135,054.41-23,476.28

Finding the Fourth Proportional to 90,036.20, 135,054.41 and 23,476.28

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Solution

The fourth proportional to 90,036.20, 135,054.41 and 23,476.28 is: 35,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,036.20 : 135,054.41 = 23,476.28 : x
  2. Step 2: Convert to fraction form
    90,036.20/135,054.41 = 23,476.28/x
  3. Step 3: Cross multiply
    90,036.20x = 135,054.41 × 23,476.28
  4. Step 4: Simplify right side
    90,036.20x = 3,170,574,351.74
  5. Step 5: Solve for x
    x = 3,170,574,351.74/90,036.20
  6. Step 6: Final answer
    x = 35,214.44

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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.