Home / 117,455.22-162,089.39-63,740.70

Finding the Fourth Proportional to 117,455.22, 162,089.39 and 63,740.70

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Solution

The fourth proportional to 117,455.22, 162,089.39 and 63,740.70 is: 87,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,455.22 : 162,089.39 = 63,740.70 : x
  2. Step 2: Convert to fraction form
    117,455.22/162,089.39 = 63,740.70/x
  3. Step 3: Cross multiply
    117,455.22x = 162,089.39 × 63,740.70
  4. Step 4: Simplify right side
    117,455.22x = 10,331,691,340.52
  5. Step 5: Solve for x
    x = 10,331,691,340.52/117,455.22
  6. Step 6: Final answer
    x = 87,962.81

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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.