Home / 215,831.70-323,747.55-166,007.70

Finding the Fourth Proportional to 215,831.70, 323,747.55 and 166,007.70

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Solution

The fourth proportional to 215,831.70, 323,747.55 and 166,007.70 is: 249,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,831.70 : 323,747.55 = 166,007.70 : x
  2. Step 2: Convert to fraction form
    215,831.70/323,747.55 = 166,007.70/x
  3. Step 3: Cross multiply
    215,831.70x = 323,747.55 × 166,007.70
  4. Step 4: Simplify right side
    215,831.70x = 53,744,586,156.14
  5. Step 5: Solve for x
    x = 53,744,586,156.14/215,831.70
  6. Step 6: Final answer
    x = 249,011.55

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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.