Home / 135,941.16-203,816.52-51,706.20

Finding the Fourth Proportional to 135,941.16, 203,816.52 and 51,706.20

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Solution

The fourth proportional to 135,941.16, 203,816.52 and 51,706.20 is: 77,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,941.16 : 203,816.52 = 51,706.20 : x
  2. Step 2: Convert to fraction form
    135,941.16/203,816.52 = 51,706.20/x
  3. Step 3: Cross multiply
    135,941.16x = 203,816.52 × 51,706.20
  4. Step 4: Simplify right side
    135,941.16x = 10,538,577,746.42
  5. Step 5: Solve for x
    x = 10,538,577,746.42/135,941.16
  6. Step 6: Final answer
    x = 77,523.08

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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.