Home / 172,287.28-258,427.68-93,900.34

Finding the Fourth Proportional to 172,287.28, 258,427.68 and 93,900.34

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Solution

The fourth proportional to 172,287.28, 258,427.68 and 93,900.34 is: 140,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,287.28 : 258,427.68 = 93,900.34 : x
  2. Step 2: Convert to fraction form
    172,287.28/258,427.68 = 93,900.34/x
  3. Step 3: Cross multiply
    172,287.28x = 258,427.68 × 93,900.34
  4. Step 4: Simplify right side
    172,287.28x = 24,266,447,017.41
  5. Step 5: Solve for x
    x = 24,266,447,017.41/172,287.28
  6. Step 6: Final answer
    x = 140,848.74

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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.