Home / 253,715.72-350,128.14-140,536.04

Finding the Fourth Proportional to 253,715.72, 350,128.14 and 140,536.04

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Solution

The fourth proportional to 253,715.72, 350,128.14 and 140,536.04 is: 193,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,715.72 : 350,128.14 = 140,536.04 : x
  2. Step 2: Convert to fraction form
    253,715.72/350,128.14 = 140,536.04/x
  3. Step 3: Cross multiply
    253,715.72x = 350,128.14 × 140,536.04
  4. Step 4: Simplify right side
    253,715.72x = 49,205,622,288.17
  5. Step 5: Solve for x
    x = 49,205,622,288.17/253,715.72
  6. Step 6: Final answer
    x = 193,939.98

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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.