Home / 231,025.79-346,538.45-86,958.51

Finding the Fourth Proportional to 231,025.79, 346,538.45 and 86,958.51

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Solution

The fourth proportional to 231,025.79, 346,538.45 and 86,958.51 is: 130,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,025.79 : 346,538.45 = 86,958.51 : x
  2. Step 2: Convert to fraction form
    231,025.79/346,538.45 = 86,958.51/x
  3. Step 3: Cross multiply
    231,025.79x = 346,538.45 × 86,958.51
  4. Step 4: Simplify right side
    231,025.79x = 30,134,466,834.92
  5. Step 5: Solve for x
    x = 30,134,466,834.92/231,025.79
  6. Step 6: Final answer
    x = 130,437.68

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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.