Home / 165,017.49-227,718.05-89,564.37

Finding the Fourth Proportional to 165,017.49, 227,718.05 and 89,564.37

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Solution

The fourth proportional to 165,017.49, 227,718.05 and 89,564.37 is: 123,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,017.49 : 227,718.05 = 89,564.37 : x
  2. Step 2: Convert to fraction form
    165,017.49/227,718.05 = 89,564.37/x
  3. Step 3: Cross multiply
    165,017.49x = 227,718.05 × 89,564.37
  4. Step 4: Simplify right side
    165,017.49x = 20,395,423,238.06
  5. Step 5: Solve for x
    x = 20,395,423,238.06/165,017.49
  6. Step 6: Final answer
    x = 123,595.52

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1.5x scale

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.