Home / 117,447.90-162,077.28-63,731.55

Finding the Fourth Proportional to 117,447.90, 162,077.28 and 63,731.55

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Solution

The fourth proportional to 117,447.90, 162,077.28 and 63,731.55 is: 87,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,447.90 : 162,077.28 = 63,731.55 : x
  2. Step 2: Convert to fraction form
    117,447.90/162,077.28 = 63,731.55/x
  3. Step 3: Cross multiply
    117,447.90x = 162,077.28 × 63,731.55
  4. Step 4: Simplify right side
    117,447.90x = 10,329,436,274.18
  5. Step 5: Solve for x
    x = 10,329,436,274.18/117,447.90
  6. Step 6: Final answer
    x = 87,949.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.