Home / 250,743.66-346,020-140,360.76

Finding the Fourth Proportional to 250,743.66, 346,020 and 140,360.76

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Solution

The fourth proportional to 250,743.66, 346,020 and 140,360.76 is: 193,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,743.66 : 346,020 = 140,360.76 : x
  2. Step 2: Convert to fraction form
    250,743.66/346,020 = 140,360.76/x
  3. Step 3: Cross multiply
    250,743.66x = 346,020 × 140,360.76
  4. Step 4: Simplify right side
    250,743.66x = 48,567,630,175.20
  5. Step 5: Solve for x
    x = 48,567,630,175.20/250,743.66
  6. Step 6: Final answer
    x = 193,694.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.