Home / 99,383.52-149,144.40-64,236

Finding the Fourth Proportional to 99,383.52, 149,144.40 and 64,236

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Solution

The fourth proportional to 99,383.52, 149,144.40 and 64,236 is: 96,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,383.52 : 149,144.40 = 64,236 : x
  2. Step 2: Convert to fraction form
    99,383.52/149,144.40 = 64,236/x
  3. Step 3: Cross multiply
    99,383.52x = 149,144.40 × 64,236
  4. Step 4: Simplify right side
    99,383.52x = 9,580,439,678.40
  5. Step 5: Solve for x
    x = 9,580,439,678.40/99,383.52
  6. Step 6: Final answer
    x = 96,398.68

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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.