Home / 97,872.10-146,784.18-31,298.43

Finding the Fourth Proportional to 97,872.10, 146,784.18 and 31,298.43

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Solution

The fourth proportional to 97,872.10, 146,784.18 and 31,298.43 is: 46,939.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,872.10 : 146,784.18 = 31,298.43 : x
  2. Step 2: Convert to fraction form
    97,872.10/146,784.18 = 31,298.43/x
  3. Step 3: Cross multiply
    97,872.10x = 146,784.18 × 31,298.43
  4. Step 4: Simplify right side
    97,872.10x = 4,594,115,050.65
  5. Step 5: Solve for x
    x = 4,594,115,050.65/97,872.10
  6. Step 6: Final answer
    x = 46,939.99

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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.