Home / 166,869.08-230,278.14-90,386.46

Finding the Fourth Proportional to 166,869.08, 230,278.14 and 90,386.46

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Solution

The fourth proportional to 166,869.08, 230,278.14 and 90,386.46 is: 124,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,869.08 : 230,278.14 = 90,386.46 : x
  2. Step 2: Convert to fraction form
    166,869.08/230,278.14 = 90,386.46/x
  3. Step 3: Cross multiply
    166,869.08x = 230,278.14 × 90,386.46
  4. Step 4: Simplify right side
    166,869.08x = 20,814,025,889.98
  5. Step 5: Solve for x
    x = 20,814,025,889.98/166,869.08
  6. Step 6: Final answer
    x = 124,732.67

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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.