Home / 117,433.18-162,057.55-63,718.18

Finding the Fourth Proportional to 117,433.18, 162,057.55 and 63,718.18

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Solution

The fourth proportional to 117,433.18, 162,057.55 and 63,718.18 is: 87,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,433.18 : 162,057.55 = 63,718.18 : x
  2. Step 2: Convert to fraction form
    117,433.18/162,057.55 = 63,718.18/x
  3. Step 3: Cross multiply
    117,433.18x = 162,057.55 × 63,718.18
  4. Step 4: Simplify right side
    117,433.18x = 10,326,012,141.26
  5. Step 5: Solve for x
    x = 10,326,012,141.26/117,433.18
  6. Step 6: Final answer
    x = 87,930.96

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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.