Home / 134,812.10-202,218.15-109,442.90

Finding the Fourth Proportional to 134,812.10, 202,218.15 and 109,442.90

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Solution

The fourth proportional to 134,812.10, 202,218.15 and 109,442.90 is: 164,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,812.10 : 202,218.15 = 109,442.90 : x
  2. Step 2: Convert to fraction form
    134,812.10/202,218.15 = 109,442.90/x
  3. Step 3: Cross multiply
    134,812.10x = 202,218.15 × 109,442.90
  4. Step 4: Simplify right side
    134,812.10x = 22,131,340,768.64
  5. Step 5: Solve for x
    x = 22,131,340,768.64/134,812.10
  6. Step 6: Final answer
    x = 164,164.35

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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.