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Finding the Fourth Proportional to 117,014.71, 161,479.82 and 63,299.60

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Solution

The fourth proportional to 117,014.71, 161,479.82 and 63,299.60 is: 87,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,014.71 : 161,479.82 = 63,299.60 : x
  2. Step 2: Convert to fraction form
    117,014.71/161,479.82 = 63,299.60/x
  3. Step 3: Cross multiply
    117,014.71x = 161,479.82 × 63,299.60
  4. Step 4: Simplify right side
    117,014.71x = 10,221,608,014.07
  5. Step 5: Solve for x
    x = 10,221,608,014.07/117,014.71
  6. Step 6: Final answer
    x = 87,353.19

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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.