Home / 168,875.12-233,038.68-93,422

Finding the Fourth Proportional to 168,875.12, 233,038.68 and 93,422

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Solution

The fourth proportional to 168,875.12, 233,038.68 and 93,422 is: 128,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,875.12 : 233,038.68 = 93,422 : x
  2. Step 2: Convert to fraction form
    168,875.12/233,038.68 = 93,422/x
  3. Step 3: Cross multiply
    168,875.12x = 233,038.68 × 93,422
  4. Step 4: Simplify right side
    168,875.12x = 21,770,939,562.96
  5. Step 5: Solve for x
    x = 21,770,939,562.96/168,875.12
  6. Step 6: Final answer
    x = 128,917.39

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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.