Home / 117,026.41-161,496.22-63,311.47

Finding the Fourth Proportional to 117,026.41, 161,496.22 and 63,311.47

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Solution

The fourth proportional to 117,026.41, 161,496.22 and 63,311.47 is: 87,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,026.41 : 161,496.22 = 63,311.47 : x
  2. Step 2: Convert to fraction form
    117,026.41/161,496.22 = 63,311.47/x
  3. Step 3: Cross multiply
    117,026.41x = 161,496.22 × 63,311.47
  4. Step 4: Simplify right side
    117,026.41x = 10,224,563,087.64
  5. Step 5: Solve for x
    x = 10,224,563,087.64/117,026.41
  6. Step 6: Final answer
    x = 87,369.71

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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.