Home / 134,983.38-186,084.60-104,715.30

Finding the Fourth Proportional to 134,983.38, 186,084.60 and 104,715.30

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Solution

The fourth proportional to 134,983.38, 186,084.60 and 104,715.30 is: 144,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,983.38 : 186,084.60 = 104,715.30 : x
  2. Step 2: Convert to fraction form
    134,983.38/186,084.60 = 104,715.30/x
  3. Step 3: Cross multiply
    134,983.38x = 186,084.60 × 104,715.30
  4. Step 4: Simplify right side
    134,983.38x = 19,485,904,714.38
  5. Step 5: Solve for x
    x = 19,485,904,714.38/134,983.38
  6. Step 6: Final answer
    x = 144,357.81

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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.