Home / 217,925.03-300,760.95-131,931.41

Finding the Fourth Proportional to 217,925.03, 300,760.95 and 131,931.41

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Solution

The fourth proportional to 217,925.03, 300,760.95 and 131,931.41 is: 182,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,925.03 : 300,760.95 = 131,931.41 : x
  2. Step 2: Convert to fraction form
    217,925.03/300,760.95 = 131,931.41/x
  3. Step 3: Cross multiply
    217,925.03x = 300,760.95 × 131,931.41
  4. Step 4: Simplify right side
    217,925.03x = 39,679,816,206.44
  5. Step 5: Solve for x
    x = 39,679,816,206.44/217,925.03
  6. Step 6: Final answer
    x = 182,080.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.