Home / 119,756.07-165,261.24-66,045.96

Finding the Fourth Proportional to 119,756.07, 165,261.24 and 66,045.96

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Solution

The fourth proportional to 119,756.07, 165,261.24 and 66,045.96 is: 91,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,756.07 : 165,261.24 = 66,045.96 : x
  2. Step 2: Convert to fraction form
    119,756.07/165,261.24 = 66,045.96/x
  3. Step 3: Cross multiply
    119,756.07x = 165,261.24 × 66,045.96
  4. Step 4: Simplify right side
    119,756.07x = 10,914,837,246.59
  5. Step 5: Solve for x
    x = 10,914,837,246.59/119,756.07
  6. Step 6: Final answer
    x = 91,142.25

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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.