Home / 119,209.79-164,512.41-65,498.29

Finding the Fourth Proportional to 119,209.79, 164,512.41 and 65,498.29

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Solution

The fourth proportional to 119,209.79, 164,512.41 and 65,498.29 is: 90,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,209.79 : 164,512.41 = 65,498.29 : x
  2. Step 2: Convert to fraction form
    119,209.79/164,512.41 = 65,498.29/x
  3. Step 3: Cross multiply
    119,209.79x = 164,512.41 × 65,498.29
  4. Step 4: Simplify right side
    119,209.79x = 10,775,281,538.78
  5. Step 5: Solve for x
    x = 10,775,281,538.78/119,209.79
  6. Step 6: Final answer
    x = 90,389.23

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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.