Home / 119,862.32-165,420.60-66,158.96

Finding the Fourth Proportional to 119,862.32, 165,420.60 and 66,158.96

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Solution

The fourth proportional to 119,862.32, 165,420.60 and 66,158.96 is: 91,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,862.32 : 165,420.60 = 66,158.96 : x
  2. Step 2: Convert to fraction form
    119,862.32/165,420.60 = 66,158.96/x
  3. Step 3: Cross multiply
    119,862.32x = 165,420.60 × 66,158.96
  4. Step 4: Simplify right side
    119,862.32x = 10,944,054,858.58
  5. Step 5: Solve for x
    x = 10,944,054,858.58/119,862.32
  6. Step 6: Final answer
    x = 91,305.21

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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.