Home / 119,895.48-165,454.83-66,180.51

Finding the Fourth Proportional to 119,895.48, 165,454.83 and 66,180.51

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Solution

The fourth proportional to 119,895.48, 165,454.83 and 66,180.51 is: 91,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,895.48 : 165,454.83 = 66,180.51 : x
  2. Step 2: Convert to fraction form
    119,895.48/165,454.83 = 66,180.51/x
  3. Step 3: Cross multiply
    119,895.48x = 165,454.83 × 66,180.51
  4. Step 4: Simplify right side
    119,895.48x = 10,949,885,031.36
  5. Step 5: Solve for x
    x = 10,949,885,031.36/119,895.48
  6. Step 6: Final answer
    x = 91,328.59

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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.