Home / 135,151.84-202,225.56-84,997.72

Finding the Fourth Proportional to 135,151.84, 202,225.56 and 84,997.72

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Solution

The fourth proportional to 135,151.84, 202,225.56 and 84,997.72 is: 127,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,151.84 : 202,225.56 = 84,997.72 : x
  2. Step 2: Convert to fraction form
    135,151.84/202,225.56 = 84,997.72/x
  3. Step 3: Cross multiply
    135,151.84x = 202,225.56 × 84,997.72
  4. Step 4: Simplify right side
    135,151.84x = 17,188,711,525.72
  5. Step 5: Solve for x
    x = 17,188,711,525.72/135,151.84
  6. Step 6: Final answer
    x = 127,180.74

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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.