Home / 160,409.67-221,342.17-88,789.52

Finding the Fourth Proportional to 160,409.67, 221,342.17 and 88,789.52

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Solution

The fourth proportional to 160,409.67, 221,342.17 and 88,789.52 is: 122,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,409.67 : 221,342.17 = 88,789.52 : x
  2. Step 2: Convert to fraction form
    160,409.67/221,342.17 = 88,789.52/x
  3. Step 3: Cross multiply
    160,409.67x = 221,342.17 × 88,789.52
  4. Step 4: Simplify right side
    160,409.67x = 19,652,865,030.06
  5. Step 5: Solve for x
    x = 19,652,865,030.06/160,409.67
  6. Step 6: Final answer
    x = 122,516.71

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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.