Home / 145,338.86-217,959.76-61,083.32

Finding the Fourth Proportional to 145,338.86, 217,959.76 and 61,083.32

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Solution

The fourth proportional to 145,338.86, 217,959.76 and 61,083.32 is: 91,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,338.86 : 217,959.76 = 61,083.32 : x
  2. Step 2: Convert to fraction form
    145,338.86/217,959.76 = 61,083.32/x
  3. Step 3: Cross multiply
    145,338.86x = 217,959.76 × 61,083.32
  4. Step 4: Simplify right side
    145,338.86x = 13,313,704,753.76
  5. Step 5: Solve for x
    x = 13,313,704,753.76/145,338.86
  6. Step 6: Final answer
    x = 91,604.58

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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.