Home / 119,892.23-165,439.45-66,173.75

Finding the Fourth Proportional to 119,892.23, 165,439.45 and 66,173.75

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Solution

The fourth proportional to 119,892.23, 165,439.45 and 66,173.75 is: 91,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,892.23 : 165,439.45 = 66,173.75 : x
  2. Step 2: Convert to fraction form
    119,892.23/165,439.45 = 66,173.75/x
  3. Step 3: Cross multiply
    119,892.23x = 165,439.45 × 66,173.75
  4. Step 4: Simplify right side
    119,892.23x = 10,947,748,804.44
  5. Step 5: Solve for x
    x = 10,947,748,804.44/119,892.23
  6. Step 6: Final answer
    x = 91,313.25

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1.5x scale

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.