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Finding the Fourth Proportional to 134,009.80, 201,020.28 and 45,272.32

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Solution

The fourth proportional to 134,009.80, 201,020.28 and 45,272.32 is: 67,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,009.80 : 201,020.28 = 45,272.32 : x
  2. Step 2: Convert to fraction form
    134,009.80/201,020.28 = 45,272.32/x
  3. Step 3: Cross multiply
    134,009.80x = 201,020.28 × 45,272.32
  4. Step 4: Simplify right side
    134,009.80x = 9,100,654,442.65
  5. Step 5: Solve for x
    x = 9,100,654,442.65/134,009.80
  6. Step 6: Final answer
    x = 67,910.37

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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.