Home / 136,042.40-204,008.92-51,773.65

Finding the Fourth Proportional to 136,042.40, 204,008.92 and 51,773.65

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Solution

The fourth proportional to 136,042.40, 204,008.92 and 51,773.65 is: 77,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,042.40 : 204,008.92 = 51,773.65 : x
  2. Step 2: Convert to fraction form
    136,042.40/204,008.92 = 51,773.65/x
  3. Step 3: Cross multiply
    136,042.40x = 204,008.92 × 51,773.65
  4. Step 4: Simplify right side
    136,042.40x = 10,562,286,420.96
  5. Step 5: Solve for x
    x = 10,562,286,420.96/136,042.40
  6. Step 6: Final answer
    x = 77,639.67

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1.5x scale

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.