Home / 202,932.18-280,027.33-137,387.67

Finding the Fourth Proportional to 202,932.18, 280,027.33 and 137,387.67

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Solution

The fourth proportional to 202,932.18, 280,027.33 and 137,387.67 is: 189,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,932.18 : 280,027.33 = 137,387.67 : x
  2. Step 2: Convert to fraction form
    202,932.18/280,027.33 = 137,387.67/x
  3. Step 3: Cross multiply
    202,932.18x = 280,027.33 × 137,387.67
  4. Step 4: Simplify right side
    202,932.18x = 38,472,302,748.49
  5. Step 5: Solve for x
    x = 38,472,302,748.49/202,932.18
  6. Step 6: Final answer
    x = 189,582.07

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1.5x scale

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.