Home / 134,639.10-201,958.65-39,872.70

Finding the Fourth Proportional to 134,639.10, 201,958.65 and 39,872.70

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Solution

The fourth proportional to 134,639.10, 201,958.65 and 39,872.70 is: 59,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,639.10 : 201,958.65 = 39,872.70 : x
  2. Step 2: Convert to fraction form
    134,639.10/201,958.65 = 39,872.70/x
  3. Step 3: Cross multiply
    134,639.10x = 201,958.65 × 39,872.70
  4. Step 4: Simplify right side
    134,639.10x = 8,052,636,663.86
  5. Step 5: Solve for x
    x = 8,052,636,663.86/134,639.10
  6. Step 6: Final answer
    x = 59,809.05

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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.