Home / 77,151.64-114,884.34-74,314.02

Finding the Fourth Proportional to 77,151.64, 114,884.34 and 74,314.02

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Solution

The fourth proportional to 77,151.64, 114,884.34 and 74,314.02 is: 110,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,151.64 : 114,884.34 = 74,314.02 : x
  2. Step 2: Convert to fraction form
    77,151.64/114,884.34 = 74,314.02/x
  3. Step 3: Cross multiply
    77,151.64x = 114,884.34 × 74,314.02
  4. Step 4: Simplify right side
    77,151.64x = 8,537,517,140.45
  5. Step 5: Solve for x
    x = 8,537,517,140.45/77,151.64
  6. Step 6: Final answer
    x = 110,658.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.