Home / 208,939.94-288,332.77-113,446.72

Finding the Fourth Proportional to 208,939.94, 288,332.77 and 113,446.72

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Solution

The fourth proportional to 208,939.94, 288,332.77 and 113,446.72 is: 156,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,939.94 : 288,332.77 = 113,446.72 : x
  2. Step 2: Convert to fraction form
    208,939.94/288,332.77 = 113,446.72/x
  3. Step 3: Cross multiply
    208,939.94x = 288,332.77 × 113,446.72
  4. Step 4: Simplify right side
    208,939.94x = 32,710,407,025.01
  5. Step 5: Solve for x
    x = 32,710,407,025.01/208,939.94
  6. Step 6: Final answer
    x = 156,554.11

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1.5x scale

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.