Home / 150,814.08-208,123.92-82,831.14

Finding the Fourth Proportional to 150,814.08, 208,123.92 and 82,831.14

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Solution

The fourth proportional to 150,814.08, 208,123.92 and 82,831.14 is: 114,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,814.08 : 208,123.92 = 82,831.14 : x
  2. Step 2: Convert to fraction form
    150,814.08/208,123.92 = 82,831.14/x
  3. Step 3: Cross multiply
    150,814.08x = 208,123.92 × 82,831.14
  4. Step 4: Simplify right side
    150,814.08x = 17,239,141,554.87
  5. Step 5: Solve for x
    x = 17,239,141,554.87/150,814.08
  6. Step 6: Final answer
    x = 114,307.24

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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.