Home / 117,618.35-162,260.42-79,365.29

Finding the Fourth Proportional to 117,618.35, 162,260.42 and 79,365.29

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Solution

The fourth proportional to 117,618.35, 162,260.42 and 79,365.29 is: 109,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,618.35 : 162,260.42 = 79,365.29 : x
  2. Step 2: Convert to fraction form
    117,618.35/162,260.42 = 79,365.29/x
  3. Step 3: Cross multiply
    117,618.35x = 162,260.42 × 79,365.29
  4. Step 4: Simplify right side
    117,618.35x = 12,877,844,080.69
  5. Step 5: Solve for x
    x = 12,877,844,080.69/117,618.35
  6. Step 6: Final answer
    x = 109,488.40

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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.