Home / 259,126.56-388,897.16-134,503.20

Finding the Fourth Proportional to 259,126.56, 388,897.16 and 134,503.20

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Solution

The fourth proportional to 259,126.56, 388,897.16 and 134,503.20 is: 201,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,126.56 : 388,897.16 = 134,503.20 : x
  2. Step 2: Convert to fraction form
    259,126.56/388,897.16 = 134,503.20/x
  3. Step 3: Cross multiply
    259,126.56x = 388,897.16 × 134,503.20
  4. Step 4: Simplify right side
    259,126.56x = 52,307,912,490.91
  5. Step 5: Solve for x
    x = 52,307,912,490.91/259,126.56
  6. Step 6: Final answer
    x = 201,862.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.