Home / 119,819.31-165,349.51-66,104.76

Finding the Fourth Proportional to 119,819.31, 165,349.51 and 66,104.76

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Solution

The fourth proportional to 119,819.31, 165,349.51 and 66,104.76 is: 91,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,819.31 : 165,349.51 = 66,104.76 : x
  2. Step 2: Convert to fraction form
    119,819.31/165,349.51 = 66,104.76/x
  3. Step 3: Cross multiply
    119,819.31x = 165,349.51 × 66,104.76
  4. Step 4: Simplify right side
    119,819.31x = 10,930,389,509.41
  5. Step 5: Solve for x
    x = 10,930,389,509.41/119,819.31
  6. Step 6: Final answer
    x = 91,223.94

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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.