Home / 109,433.21-164,165.16-38,339.56

Finding the Fourth Proportional to 109,433.21, 164,165.16 and 38,339.56

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Solution

The fourth proportional to 109,433.21, 164,165.16 and 38,339.56 is: 57,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,433.21 : 164,165.16 = 38,339.56 : x
  2. Step 2: Convert to fraction form
    109,433.21/164,165.16 = 38,339.56/x
  3. Step 3: Cross multiply
    109,433.21x = 164,165.16 × 38,339.56
  4. Step 4: Simplify right side
    109,433.21x = 6,294,020,350.71
  5. Step 5: Solve for x
    x = 6,294,020,350.71/109,433.21
  6. Step 6: Final answer
    x = 57,514.72

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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.