Home / 166,341.40-229,551.12-90,889.90

Finding the Fourth Proportional to 166,341.40, 229,551.12 and 90,889.90

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Solution

The fourth proportional to 166,341.40, 229,551.12 and 90,889.90 is: 125,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,341.40 : 229,551.12 = 90,889.90 : x
  2. Step 2: Convert to fraction form
    166,341.40/229,551.12 = 90,889.90/x
  3. Step 3: Cross multiply
    166,341.40x = 229,551.12 × 90,889.90
  4. Step 4: Simplify right side
    166,341.40x = 20,863,878,341.69
  5. Step 5: Solve for x
    x = 20,863,878,341.69/166,341.40
  6. Step 6: Final answer
    x = 125,428.06

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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.