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Finding the Fourth Proportional to 101,630.40, 152,445.60 and 27,758.40

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Solution

The fourth proportional to 101,630.40, 152,445.60 and 27,758.40 is: 41,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,630.40 : 152,445.60 = 27,758.40 : x
  2. Step 2: Convert to fraction form
    101,630.40/152,445.60 = 27,758.40/x
  3. Step 3: Cross multiply
    101,630.40x = 152,445.60 × 27,758.40
  4. Step 4: Simplify right side
    101,630.40x = 4,231,645,943.04
  5. Step 5: Solve for x
    x = 4,231,645,943.04/101,630.40
  6. Step 6: Final answer
    x = 41,637.60

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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.