Home / 231,099.20-346,681.20-90,825.20

Finding the Fourth Proportional to 231,099.20, 346,681.20 and 90,825.20

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Solution

The fourth proportional to 231,099.20, 346,681.20 and 90,825.20 is: 136,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,099.20 : 346,681.20 = 90,825.20 : x
  2. Step 2: Convert to fraction form
    231,099.20/346,681.20 = 90,825.20/x
  3. Step 3: Cross multiply
    231,099.20x = 346,681.20 × 90,825.20
  4. Step 4: Simplify right side
    231,099.20x = 31,487,389,326.24
  5. Step 5: Solve for x
    x = 31,487,389,326.24/231,099.20
  6. Step 6: Final answer
    x = 136,250.53

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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.