Home / 230,862.30-346,293.45-81,125.70

Finding the Fourth Proportional to 230,862.30, 346,293.45 and 81,125.70

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Solution

The fourth proportional to 230,862.30, 346,293.45 and 81,125.70 is: 121,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,862.30 : 346,293.45 = 81,125.70 : x
  2. Step 2: Convert to fraction form
    230,862.30/346,293.45 = 81,125.70/x
  3. Step 3: Cross multiply
    230,862.30x = 346,293.45 × 81,125.70
  4. Step 4: Simplify right side
    230,862.30x = 28,093,298,536.67
  5. Step 5: Solve for x
    x = 28,093,298,536.67/230,862.30
  6. Step 6: Final answer
    x = 121,688.55

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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.