Home / 160,489.24-221,475.13-88,869.26

Finding the Fourth Proportional to 160,489.24, 221,475.13 and 88,869.26

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Solution

The fourth proportional to 160,489.24, 221,475.13 and 88,869.26 is: 122,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,489.24 : 221,475.13 = 88,869.26 : x
  2. Step 2: Convert to fraction form
    160,489.24/221,475.13 = 88,869.26/x
  3. Step 3: Cross multiply
    160,489.24x = 221,475.13 × 88,869.26
  4. Step 4: Simplify right side
    160,489.24x = 19,682,330,911.50
  5. Step 5: Solve for x
    x = 19,682,330,911.50/160,489.24
  6. Step 6: Final answer
    x = 122,639.57

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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.