Home / 119,749.32-165,251.88-66,039.30

Finding the Fourth Proportional to 119,749.32, 165,251.88 and 66,039.30

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Solution

The fourth proportional to 119,749.32, 165,251.88 and 66,039.30 is: 91,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,749.32 : 165,251.88 = 66,039.30 : x
  2. Step 2: Convert to fraction form
    119,749.32/165,251.88 = 66,039.30/x
  3. Step 3: Cross multiply
    119,749.32x = 165,251.88 × 66,039.30
  4. Step 4: Simplify right side
    119,749.32x = 10,913,118,478.88
  5. Step 5: Solve for x
    x = 10,913,118,478.88/119,749.32
  6. Step 6: Final answer
    x = 91,133.03

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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.