Home / 208,919.08-313,338.54-59,123.20

Finding the Fourth Proportional to 208,919.08, 313,338.54 and 59,123.20

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Solution

The fourth proportional to 208,919.08, 313,338.54 and 59,123.20 is: 88,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,919.08 : 313,338.54 = 59,123.20 : x
  2. Step 2: Convert to fraction form
    208,919.08/313,338.54 = 59,123.20/x
  3. Step 3: Cross multiply
    208,919.08x = 313,338.54 × 59,123.20
  4. Step 4: Simplify right side
    208,919.08x = 18,525,577,168.13
  5. Step 5: Solve for x
    x = 18,525,577,168.13/208,919.08
  6. Step 6: Final answer
    x = 88,673.46

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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.