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Finding the Fourth Proportional to 134,401.88, 201,632.02 and 40,905.20

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Solution

The fourth proportional to 134,401.88, 201,632.02 and 40,905.20 is: 61,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,401.88 : 201,632.02 = 40,905.20 : x
  2. Step 2: Convert to fraction form
    134,401.88/201,632.02 = 40,905.20/x
  3. Step 3: Cross multiply
    134,401.88x = 201,632.02 × 40,905.20
  4. Step 4: Simplify right side
    134,401.88x = 8,247,798,104.50
  5. Step 5: Solve for x
    x = 8,247,798,104.50/134,401.88
  6. Step 6: Final answer
    x = 61,366.69

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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.