Home / 85,268.21-117,600.75-75,037.14

Finding the Fourth Proportional to 85,268.21, 117,600.75 and 75,037.14

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Solution

The fourth proportional to 85,268.21, 117,600.75 and 75,037.14 is: 103,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,268.21 : 117,600.75 = 75,037.14 : x
  2. Step 2: Convert to fraction form
    85,268.21/117,600.75 = 75,037.14/x
  3. Step 3: Cross multiply
    85,268.21x = 117,600.75 × 75,037.14
  4. Step 4: Simplify right side
    85,268.21x = 8,824,423,941.86
  5. Step 5: Solve for x
    x = 8,824,423,941.86/85,268.21
  6. Step 6: Final answer
    x = 103,490.20

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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.