Home / 117,176.20-161,701.78-63,460.20

Finding the Fourth Proportional to 117,176.20, 161,701.78 and 63,460.20

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Solution

The fourth proportional to 117,176.20, 161,701.78 and 63,460.20 is: 87,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,176.20 : 161,701.78 = 63,460.20 : x
  2. Step 2: Convert to fraction form
    117,176.20/161,701.78 = 63,460.20/x
  3. Step 3: Cross multiply
    117,176.20x = 161,701.78 × 63,460.20
  4. Step 4: Simplify right side
    117,176.20x = 10,261,627,299.16
  5. Step 5: Solve for x
    x = 10,261,627,299.16/117,176.20
  6. Step 6: Final answer
    x = 87,574.33

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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.