Home / 230,856.30-346,284.45-81,119.70

Finding the Fourth Proportional to 230,856.30, 346,284.45 and 81,119.70

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Solution

The fourth proportional to 230,856.30, 346,284.45 and 81,119.70 is: 121,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,856.30 : 346,284.45 = 81,119.70 : x
  2. Step 2: Convert to fraction form
    230,856.30/346,284.45 = 81,119.70/x
  3. Step 3: Cross multiply
    230,856.30x = 346,284.45 × 81,119.70
  4. Step 4: Simplify right side
    230,856.30x = 28,090,490,698.67
  5. Step 5: Solve for x
    x = 28,090,490,698.67/230,856.30
  6. Step 6: Final answer
    x = 121,679.55

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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.