Home / 119,899.10-165,460.79-66,184.15

Finding the Fourth Proportional to 119,899.10, 165,460.79 and 66,184.15

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Solution

The fourth proportional to 119,899.10, 165,460.79 and 66,184.15 is: 91,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,899.10 : 165,460.79 = 66,184.15 : x
  2. Step 2: Convert to fraction form
    119,899.10/165,460.79 = 66,184.15/x
  3. Step 3: Cross multiply
    119,899.10x = 165,460.79 × 66,184.15
  4. Step 4: Simplify right side
    119,899.10x = 10,950,881,744.48
  5. Step 5: Solve for x
    x = 10,950,881,744.48/119,899.10
  6. Step 6: Final answer
    x = 91,334.14

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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.