Home / 208,934.94-288,325.88-113,441.72

Finding the Fourth Proportional to 208,934.94, 288,325.88 and 113,441.72

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Solution

The fourth proportional to 208,934.94, 288,325.88 and 113,441.72 is: 156,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,934.94 : 288,325.88 = 113,441.72 : x
  2. Step 2: Convert to fraction form
    208,934.94/288,325.88 = 113,441.72/x
  3. Step 3: Cross multiply
    208,934.94x = 288,325.88 × 113,441.72
  4. Step 4: Simplify right side
    208,934.94x = 32,708,182,164.28
  5. Step 5: Solve for x
    x = 32,708,182,164.28/208,934.94
  6. Step 6: Final answer
    x = 156,547.21

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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.