Home / 132,849.80-199,313.52-42,890.40

Finding the Fourth Proportional to 132,849.80, 199,313.52 and 42,890.40

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Solution

The fourth proportional to 132,849.80, 199,313.52 and 42,890.40 is: 64,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,849.80 : 199,313.52 = 42,890.40 : x
  2. Step 2: Convert to fraction form
    132,849.80/199,313.52 = 42,890.40/x
  3. Step 3: Cross multiply
    132,849.80x = 199,313.52 × 42,890.40
  4. Step 4: Simplify right side
    132,849.80x = 8,548,636,598.21
  5. Step 5: Solve for x
    x = 8,548,636,598.21/132,849.80
  6. Step 6: Final answer
    x = 64,348.14

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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.