Home / 119,764.83-165,276.51-66,051.71

Finding the Fourth Proportional to 119,764.83, 165,276.51 and 66,051.71

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Solution

The fourth proportional to 119,764.83, 165,276.51 and 66,051.71 is: 91,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,764.83 : 165,276.51 = 66,051.71 : x
  2. Step 2: Convert to fraction form
    119,764.83/165,276.51 = 66,051.71/x
  3. Step 3: Cross multiply
    119,764.83x = 165,276.51 × 66,051.71
  4. Step 4: Simplify right side
    119,764.83x = 10,916,796,108.33
  5. Step 5: Solve for x
    x = 10,916,796,108.33/119,764.83
  6. Step 6: Final answer
    x = 91,151.94

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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.