Home / 208,519.41-287,756.91-113,026.10

Finding the Fourth Proportional to 208,519.41, 287,756.91 and 113,026.10

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Solution

The fourth proportional to 208,519.41, 287,756.91 and 113,026.10 is: 155,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,519.41 : 287,756.91 = 113,026.10 : x
  2. Step 2: Convert to fraction form
    208,519.41/287,756.91 = 113,026.10/x
  3. Step 3: Cross multiply
    208,519.41x = 287,756.91 × 113,026.10
  4. Step 4: Simplify right side
    208,519.41x = 32,524,041,722.18
  5. Step 5: Solve for x
    x = 32,524,041,722.18/208,519.41
  6. Step 6: Final answer
    x = 155,976.09

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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.