Home / 131,251.64-196,880.25-47,017.28

Finding the Fourth Proportional to 131,251.64, 196,880.25 and 47,017.28

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Solution

The fourth proportional to 131,251.64, 196,880.25 and 47,017.28 is: 70,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,251.64 : 196,880.25 = 47,017.28 : x
  2. Step 2: Convert to fraction form
    131,251.64/196,880.25 = 47,017.28/x
  3. Step 3: Cross multiply
    131,251.64x = 196,880.25 × 47,017.28
  4. Step 4: Simplify right side
    131,251.64x = 9,256,773,840.72
  5. Step 5: Solve for x
    x = 9,256,773,840.72/131,251.64
  6. Step 6: Final answer
    x = 70,526.92

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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.