Home / 151,989.29-209,636.43-106,677.38

Finding the Fourth Proportional to 151,989.29, 209,636.43 and 106,677.38

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Solution

The fourth proportional to 151,989.29, 209,636.43 and 106,677.38 is: 147,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,989.29 : 209,636.43 = 106,677.38 : x
  2. Step 2: Convert to fraction form
    151,989.29/209,636.43 = 106,677.38/x
  3. Step 3: Cross multiply
    151,989.29x = 209,636.43 × 106,677.38
  4. Step 4: Simplify right side
    151,989.29x = 22,363,464,056.77
  5. Step 5: Solve for x
    x = 22,363,464,056.77/151,989.29
  6. Step 6: Final answer
    x = 147,138.43

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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.