Home / 254,587.56-351,336.38-139,867.68

Finding the Fourth Proportional to 254,587.56, 351,336.38 and 139,867.68

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Solution

The fourth proportional to 254,587.56, 351,336.38 and 139,867.68 is: 193,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,587.56 : 351,336.38 = 139,867.68 : x
  2. Step 2: Convert to fraction form
    254,587.56/351,336.38 = 139,867.68/x
  3. Step 3: Cross multiply
    254,587.56x = 351,336.38 × 139,867.68
  4. Step 4: Simplify right side
    254,587.56x = 49,140,604,370.20
  5. Step 5: Solve for x
    x = 49,140,604,370.20/254,587.56
  6. Step 6: Final answer
    x = 193,020.45

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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.