Home / 119,122.55-164,389.30-65,411.04

Finding the Fourth Proportional to 119,122.55, 164,389.30 and 65,411.04

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Solution

The fourth proportional to 119,122.55, 164,389.30 and 65,411.04 is: 90,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,122.55 : 164,389.30 = 65,411.04 : x
  2. Step 2: Convert to fraction form
    119,122.55/164,389.30 = 65,411.04/x
  3. Step 3: Cross multiply
    119,122.55x = 164,389.30 × 65,411.04
  4. Step 4: Simplify right side
    119,122.55x = 10,752,875,530.80
  5. Step 5: Solve for x
    x = 10,752,875,530.80/119,122.55
  6. Step 6: Final answer
    x = 90,267.34

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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.