Home / 231,000.52-346,439.58-90,760.36

Finding the Fourth Proportional to 231,000.52, 346,439.58 and 90,760.36

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Solution

The fourth proportional to 231,000.52, 346,439.58 and 90,760.36 is: 136,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,000.52 : 346,439.58 = 90,760.36 : x
  2. Step 2: Convert to fraction form
    231,000.52/346,439.58 = 90,760.36/x
  3. Step 3: Cross multiply
    231,000.52x = 346,439.58 × 90,760.36
  4. Step 4: Simplify right side
    231,000.52x = 31,442,980,999.05
  5. Step 5: Solve for x
    x = 31,442,980,999.05/231,000.52
  6. Step 6: Final answer
    x = 136,116.49

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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.