Home / 119,326.30-164,670.90-65,614.78

Finding the Fourth Proportional to 119,326.30, 164,670.90 and 65,614.78

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Solution

The fourth proportional to 119,326.30, 164,670.90 and 65,614.78 is: 90,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,326.30 : 164,670.90 = 65,614.78 : x
  2. Step 2: Convert to fraction form
    119,326.30/164,670.90 = 65,614.78/x
  3. Step 3: Cross multiply
    119,326.30x = 164,670.90 × 65,614.78
  4. Step 4: Simplify right side
    119,326.30x = 10,804,844,875.90
  5. Step 5: Solve for x
    x = 10,804,844,875.90/119,326.30
  6. Step 6: Final answer
    x = 90,548.73

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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.