Home / 85,180.16-117,499.82-53,293.70

Finding the Fourth Proportional to 85,180.16, 117,499.82 and 53,293.70

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Solution

The fourth proportional to 85,180.16, 117,499.82 and 53,293.70 is: 73,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180.16 : 117,499.82 = 53,293.70 : x
  2. Step 2: Convert to fraction form
    85,180.16/117,499.82 = 53,293.70/x
  3. Step 3: Cross multiply
    85,180.16x = 117,499.82 × 53,293.70
  4. Step 4: Simplify right side
    85,180.16x = 6,262,000,157.13
  5. Step 5: Solve for x
    x = 6,262,000,157.13/85,180.16
  6. Step 6: Final answer
    x = 73,514.77

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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.