Home / 119,272.30-164,600.10-65,561.40

Finding the Fourth Proportional to 119,272.30, 164,600.10 and 65,561.40

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Solution

The fourth proportional to 119,272.30, 164,600.10 and 65,561.40 is: 90,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,272.30 : 164,600.10 = 65,561.40 : x
  2. Step 2: Convert to fraction form
    119,272.30/164,600.10 = 65,561.40/x
  3. Step 3: Cross multiply
    119,272.30x = 164,600.10 × 65,561.40
  4. Step 4: Simplify right side
    119,272.30x = 10,791,412,996.14
  5. Step 5: Solve for x
    x = 10,791,412,996.14/119,272.30
  6. Step 6: Final answer
    x = 90,477.11

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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.