Home / 117,193.60-161,725.12-63,478.24

Finding the Fourth Proportional to 117,193.60, 161,725.12 and 63,478.24

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Solution

The fourth proportional to 117,193.60, 161,725.12 and 63,478.24 is: 87,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,193.60 : 161,725.12 = 63,478.24 : x
  2. Step 2: Convert to fraction form
    117,193.60/161,725.12 = 63,478.24/x
  3. Step 3: Cross multiply
    117,193.60x = 161,725.12 × 63,478.24
  4. Step 4: Simplify right side
    117,193.60x = 10,266,025,981.39
  5. Step 5: Solve for x
    x = 10,266,025,981.39/117,193.60
  6. Step 6: Final answer
    x = 87,598.86

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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.