Home / 102,961.12-154,141.20-63,399.52

Finding the Fourth Proportional to 102,961.12, 154,141.20 and 63,399.52

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Solution

The fourth proportional to 102,961.12, 154,141.20 and 63,399.52 is: 94,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,961.12 : 154,141.20 = 63,399.52 : x
  2. Step 2: Convert to fraction form
    102,961.12/154,141.20 = 63,399.52/x
  3. Step 3: Cross multiply
    102,961.12x = 154,141.20 × 63,399.52
  4. Step 4: Simplify right side
    102,961.12x = 9,772,478,092.22
  5. Step 5: Solve for x
    x = 9,772,478,092.22/102,961.12
  6. Step 6: Final answer
    x = 94,914.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.