Home / 137,010.78-205,536.66-42,233.08

Finding the Fourth Proportional to 137,010.78, 205,536.66 and 42,233.08

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Solution

The fourth proportional to 137,010.78, 205,536.66 and 42,233.08 is: 63,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,010.78 : 205,536.66 = 42,233.08 : x
  2. Step 2: Convert to fraction form
    137,010.78/205,536.66 = 42,233.08/x
  3. Step 3: Cross multiply
    137,010.78x = 205,536.66 × 42,233.08
  4. Step 4: Simplify right side
    137,010.78x = 8,680,446,204.71
  5. Step 5: Solve for x
    x = 8,680,446,204.71/137,010.78
  6. Step 6: Final answer
    x = 63,355.94

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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.