Home / 132,165.49-197,998.54-102,437.78

Finding the Fourth Proportional to 132,165.49, 197,998.54 and 102,437.78

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Solution

The fourth proportional to 132,165.49, 197,998.54 and 102,437.78 is: 153,463.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,165.49 : 197,998.54 = 102,437.78 : x
  2. Step 2: Convert to fraction form
    132,165.49/197,998.54 = 102,437.78/x
  3. Step 3: Cross multiply
    132,165.49x = 197,998.54 × 102,437.78
  4. Step 4: Simplify right side
    132,165.49x = 20,282,530,880.84
  5. Step 5: Solve for x
    x = 20,282,530,880.84/132,165.49
  6. Step 6: Final answer
    x = 153,463.14

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1.5x scale

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.