Home / 90,699.06-136,001.94-40,736.28

Finding the Fourth Proportional to 90,699.06, 136,001.94 and 40,736.28

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Solution

The fourth proportional to 90,699.06, 136,001.94 and 40,736.28 is: 61,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699.06 : 136,001.94 = 40,736.28 : x
  2. Step 2: Convert to fraction form
    90,699.06/136,001.94 = 40,736.28/x
  3. Step 3: Cross multiply
    90,699.06x = 136,001.94 × 40,736.28
  4. Step 4: Simplify right side
    90,699.06x = 5,540,213,108.38
  5. Step 5: Solve for x
    x = 5,540,213,108.38/90,699.06
  6. Step 6: Final answer
    x = 61,083.47

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1.5x scale

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.