Home / 117,605.28-162,279.54-69,841.20

Finding the Fourth Proportional to 117,605.28, 162,279.54 and 69,841.20

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Solution

The fourth proportional to 117,605.28, 162,279.54 and 69,841.20 is: 96,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,605.28 : 162,279.54 = 69,841.20 : x
  2. Step 2: Convert to fraction form
    117,605.28/162,279.54 = 69,841.20/x
  3. Step 3: Cross multiply
    117,605.28x = 162,279.54 × 69,841.20
  4. Step 4: Simplify right side
    117,605.28x = 11,333,797,809.05
  5. Step 5: Solve for x
    x = 11,333,797,809.05/117,605.28
  6. Step 6: Final answer
    x = 96,371.50

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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.