Home / 90,042.23-135,063.41-23,482.28

Finding the Fourth Proportional to 90,042.23, 135,063.41 and 23,482.28

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Solution

The fourth proportional to 90,042.23, 135,063.41 and 23,482.28 is: 35,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,042.23 : 135,063.41 = 23,482.28 : x
  2. Step 2: Convert to fraction form
    90,042.23/135,063.41 = 23,482.28/x
  3. Step 3: Cross multiply
    90,042.23x = 135,063.41 × 23,482.28
  4. Step 4: Simplify right side
    90,042.23x = 3,171,596,018.65
  5. Step 5: Solve for x
    x = 3,171,596,018.65/90,042.23
  6. Step 6: Final answer
    x = 35,223.43

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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.