Home / 136,857.33-205,308-57,972.24

Finding the Fourth Proportional to 136,857.33, 205,308 and 57,972.24

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Solution

The fourth proportional to 136,857.33, 205,308 and 57,972.24 is: 86,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,857.33 : 205,308 = 57,972.24 : x
  2. Step 2: Convert to fraction form
    136,857.33/205,308 = 57,972.24/x
  3. Step 3: Cross multiply
    136,857.33x = 205,308 × 57,972.24
  4. Step 4: Simplify right side
    136,857.33x = 11,902,164,649.92
  5. Step 5: Solve for x
    x = 11,902,164,649.92/136,857.33
  6. Step 6: Final answer
    x = 86,967.68

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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.