Home / 159,090.03-219,544.28-87,474.89

Finding the Fourth Proportional to 159,090.03, 219,544.28 and 87,474.89

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Solution

The fourth proportional to 159,090.03, 219,544.28 and 87,474.89 is: 120,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,090.03 : 219,544.28 = 87,474.89 : x
  2. Step 2: Convert to fraction form
    159,090.03/219,544.28 = 87,474.89/x
  3. Step 3: Cross multiply
    159,090.03x = 219,544.28 × 87,474.89
  4. Step 4: Simplify right side
    159,090.03x = 19,204,610,208.03
  5. Step 5: Solve for x
    x = 19,204,610,208.03/159,090.03
  6. Step 6: Final answer
    x = 120,715.36

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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.