Home / 159,184.10-219,669.39-87,564.08

Finding the Fourth Proportional to 159,184.10, 219,669.39 and 87,564.08

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Solution

The fourth proportional to 159,184.10, 219,669.39 and 87,564.08 is: 120,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,184.10 : 219,669.39 = 87,564.08 : x
  2. Step 2: Convert to fraction form
    159,184.10/219,669.39 = 87,564.08/x
  3. Step 3: Cross multiply
    159,184.10x = 219,669.39 × 87,564.08
  4. Step 4: Simplify right side
    159,184.10x = 19,235,146,941.16
  5. Step 5: Solve for x
    x = 19,235,146,941.16/159,184.10
  6. Step 6: Final answer
    x = 120,835.86

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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.