Home / 134,387.45-201,705.90-67,874.30

Finding the Fourth Proportional to 134,387.45, 201,705.90 and 67,874.30

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Solution

The fourth proportional to 134,387.45, 201,705.90 and 67,874.30 is: 101,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,387.45 : 201,705.90 = 67,874.30 : x
  2. Step 2: Convert to fraction form
    134,387.45/201,705.90 = 67,874.30/x
  3. Step 3: Cross multiply
    134,387.45x = 201,705.90 × 67,874.30
  4. Step 4: Simplify right side
    134,387.45x = 13,690,646,261.71
  5. Step 5: Solve for x
    x = 13,690,646,261.71/134,387.45
  6. Step 6: Final answer
    x = 101,874.44

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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.