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Finding the Fourth Proportional to 132,767.40, 198,575.10 and 118,828.20

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Solution

The fourth proportional to 132,767.40, 198,575.10 and 118,828.20 is: 177,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,767.40 : 198,575.10 = 118,828.20 : x
  2. Step 2: Convert to fraction form
    132,767.40/198,575.10 = 118,828.20/x
  3. Step 3: Cross multiply
    132,767.40x = 198,575.10 × 118,828.20
  4. Step 4: Simplify right side
    132,767.40x = 23,596,321,697.82
  5. Step 5: Solve for x
    x = 23,596,321,697.82/132,767.40
  6. Step 6: Final answer
    x = 177,726.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.