Home / 230,742.40-346,113.60-141,707.20

Finding the Fourth Proportional to 230,742.40, 346,113.60 and 141,707.20

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Solution

The fourth proportional to 230,742.40, 346,113.60 and 141,707.20 is: 212,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,742.40 : 346,113.60 = 141,707.20 : x
  2. Step 2: Convert to fraction form
    230,742.40/346,113.60 = 141,707.20/x
  3. Step 3: Cross multiply
    230,742.40x = 346,113.60 × 141,707.20
  4. Step 4: Simplify right side
    230,742.40x = 49,046,789,137.92
  5. Step 5: Solve for x
    x = 49,046,789,137.92/230,742.40
  6. Step 6: Final answer
    x = 212,560.80

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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.