Home / 119,208.79-164,511.03-65,497.29

Finding the Fourth Proportional to 119,208.79, 164,511.03 and 65,497.29

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Solution

The fourth proportional to 119,208.79, 164,511.03 and 65,497.29 is: 90,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,208.79 : 164,511.03 = 65,497.29 : x
  2. Step 2: Convert to fraction form
    119,208.79/164,511.03 = 65,497.29/x
  3. Step 3: Cross multiply
    119,208.79x = 164,511.03 × 65,497.29
  4. Step 4: Simplify right side
    119,208.79x = 10,775,026,640.11
  5. Step 5: Solve for x
    x = 10,775,026,640.11/119,208.79
  6. Step 6: Final answer
    x = 90,387.85

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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.