Home / 168,389.50-232,377.78-92,938

Finding the Fourth Proportional to 168,389.50, 232,377.78 and 92,938

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Solution

The fourth proportional to 168,389.50, 232,377.78 and 92,938 is: 128,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,389.50 : 232,377.78 = 92,938 : x
  2. Step 2: Convert to fraction form
    168,389.50/232,377.78 = 92,938/x
  3. Step 3: Cross multiply
    168,389.50x = 232,377.78 × 92,938
  4. Step 4: Simplify right side
    168,389.50x = 21,596,726,117.64
  5. Step 5: Solve for x
    x = 21,596,726,117.64/168,389.50
  6. Step 6: Final answer
    x = 128,254.59

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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.