Home / 134,968.41-202,431.85-45,012.70

Finding the Fourth Proportional to 134,968.41, 202,431.85 and 45,012.70

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Solution

The fourth proportional to 134,968.41, 202,431.85 and 45,012.70 is: 67,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,968.41 : 202,431.85 = 45,012.70 : x
  2. Step 2: Convert to fraction form
    134,968.41/202,431.85 = 45,012.70/x
  3. Step 3: Cross multiply
    134,968.41x = 202,431.85 × 45,012.70
  4. Step 4: Simplify right side
    134,968.41x = 9,112,004,275.00
  5. Step 5: Solve for x
    x = 9,112,004,275.00/134,968.41
  6. Step 6: Final answer
    x = 67,512.13

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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.