Home / 119,946.66-165,526.40-66,231.78

Finding the Fourth Proportional to 119,946.66, 165,526.40 and 66,231.78

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Solution

The fourth proportional to 119,946.66, 165,526.40 and 66,231.78 is: 91,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,946.66 : 165,526.40 = 66,231.78 : x
  2. Step 2: Convert to fraction form
    119,946.66/165,526.40 = 66,231.78/x
  3. Step 3: Cross multiply
    119,946.66x = 165,526.40 × 66,231.78
  4. Step 4: Simplify right side
    119,946.66x = 10,963,108,108.99
  5. Step 5: Solve for x
    x = 10,963,108,108.99/119,946.66
  6. Step 6: Final answer
    x = 91,399.86

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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.