Home / 208,733.81-288,053.19-113,240.50

Finding the Fourth Proportional to 208,733.81, 288,053.19 and 113,240.50

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Solution

The fourth proportional to 208,733.81, 288,053.19 and 113,240.50 is: 156,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,733.81 : 288,053.19 = 113,240.50 : x
  2. Step 2: Convert to fraction form
    208,733.81/288,053.19 = 113,240.50/x
  3. Step 3: Cross multiply
    208,733.81x = 288,053.19 × 113,240.50
  4. Step 4: Simplify right side
    208,733.81x = 32,619,286,542.06
  5. Step 5: Solve for x
    x = 32,619,286,542.06/208,733.81
  6. Step 6: Final answer
    x = 156,272.18

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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.