Home / 176,167.11-243,108-103,578.18

Finding the Fourth Proportional to 176,167.11, 243,108 and 103,578.18

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Solution

The fourth proportional to 176,167.11, 243,108 and 103,578.18 is: 142,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,167.11 : 243,108 = 103,578.18 : x
  2. Step 2: Convert to fraction form
    176,167.11/243,108 = 103,578.18/x
  3. Step 3: Cross multiply
    176,167.11x = 243,108 × 103,578.18
  4. Step 4: Simplify right side
    176,167.11x = 25,180,684,183.44
  5. Step 5: Solve for x
    x = 25,180,684,183.44/176,167.11
  6. Step 6: Final answer
    x = 142,936.35

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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.