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Finding the Fourth Proportional to 114,496.74, 158,003.46 and 64,195.74

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Solution

The fourth proportional to 114,496.74, 158,003.46 and 64,195.74 is: 88,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,496.74 : 158,003.46 = 64,195.74 : x
  2. Step 2: Convert to fraction form
    114,496.74/158,003.46 = 64,195.74/x
  3. Step 3: Cross multiply
    114,496.74x = 158,003.46 × 64,195.74
  4. Step 4: Simplify right side
    114,496.74x = 10,143,149,037.26
  5. Step 5: Solve for x
    x = 10,143,149,037.26/114,496.74
  6. Step 6: Final answer
    x = 88,588.98

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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.