Home / 245,755.50-339,084.27-138,304.14

Finding the Fourth Proportional to 245,755.50, 339,084.27 and 138,304.14

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Solution

The fourth proportional to 245,755.50, 339,084.27 and 138,304.14 is: 190,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,755.50 : 339,084.27 = 138,304.14 : x
  2. Step 2: Convert to fraction form
    245,755.50/339,084.27 = 138,304.14/x
  3. Step 3: Cross multiply
    245,755.50x = 339,084.27 × 138,304.14
  4. Step 4: Simplify right side
    245,755.50x = 46,896,758,349.88
  5. Step 5: Solve for x
    x = 46,896,758,349.88/245,755.50
  6. Step 6: Final answer
    x = 190,826.89

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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.