Home / 112,850.14-155,729.37-65,102.26

Finding the Fourth Proportional to 112,850.14, 155,729.37 and 65,102.26

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Solution

The fourth proportional to 112,850.14, 155,729.37 and 65,102.26 is: 89,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,850.14 : 155,729.37 = 65,102.26 : x
  2. Step 2: Convert to fraction form
    112,850.14/155,729.37 = 65,102.26/x
  3. Step 3: Cross multiply
    112,850.14x = 155,729.37 × 65,102.26
  4. Step 4: Simplify right side
    112,850.14x = 10,138,333,935.38
  5. Step 5: Solve for x
    x = 10,138,333,935.38/112,850.14
  6. Step 6: Final answer
    x = 89,838.91

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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.