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Finding the Fourth Proportional to 134,224.70, 201,378.35 and 67,642.39

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Solution

The fourth proportional to 134,224.70, 201,378.35 and 67,642.39 is: 101,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,224.70 : 201,378.35 = 67,642.39 : x
  2. Step 2: Convert to fraction form
    134,224.70/201,378.35 = 67,642.39/x
  3. Step 3: Cross multiply
    134,224.70x = 201,378.35 × 67,642.39
  4. Step 4: Simplify right side
    134,224.70x = 13,621,713,309.09
  5. Step 5: Solve for x
    x = 13,621,713,309.09/134,224.70
  6. Step 6: Final answer
    x = 101,484.41

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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.