Home / 170,408.43-255,330.16-103,646.61

Finding the Fourth Proportional to 170,408.43, 255,330.16 and 103,646.61

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Solution

The fourth proportional to 170,408.43, 255,330.16 and 103,646.61 is: 155,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,408.43 : 255,330.16 = 103,646.61 : x
  2. Step 2: Convert to fraction form
    170,408.43/255,330.16 = 103,646.61/x
  3. Step 3: Cross multiply
    170,408.43x = 255,330.16 × 103,646.61
  4. Step 4: Simplify right side
    170,408.43x = 26,464,105,255.64
  5. Step 5: Solve for x
    x = 26,464,105,255.64/170,408.43
  6. Step 6: Final answer
    x = 155,298.10

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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.