Home / 159,133.23-219,598.83-87,513.03

Finding the Fourth Proportional to 159,133.23, 219,598.83 and 87,513.03

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Solution

The fourth proportional to 159,133.23, 219,598.83 and 87,513.03 is: 120,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,133.23 : 219,598.83 = 87,513.03 : x
  2. Step 2: Convert to fraction form
    159,133.23/219,598.83 = 87,513.03/x
  3. Step 3: Cross multiply
    159,133.23x = 219,598.83 × 87,513.03
  4. Step 4: Simplify right side
    159,133.23x = 19,217,758,997.75
  5. Step 5: Solve for x
    x = 19,217,758,997.75/159,133.23
  6. Step 6: Final answer
    x = 120,765.22

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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.