Home / 159,164.08-219,581.63-90,239.02

Finding the Fourth Proportional to 159,164.08, 219,581.63 and 90,239.02

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Solution

The fourth proportional to 159,164.08, 219,581.63 and 90,239.02 is: 124,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,164.08 : 219,581.63 = 90,239.02 : x
  2. Step 2: Convert to fraction form
    159,164.08/219,581.63 = 90,239.02/x
  3. Step 3: Cross multiply
    159,164.08x = 219,581.63 × 90,239.02
  4. Step 4: Simplify right side
    159,164.08x = 19,814,831,564.62
  5. Step 5: Solve for x
    x = 19,814,831,564.62/159,164.08
  6. Step 6: Final answer
    x = 124,493.11

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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.