Home / 208,558.18-287,810.58-113,064.85

Finding the Fourth Proportional to 208,558.18, 287,810.58 and 113,064.85

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Solution

The fourth proportional to 208,558.18, 287,810.58 and 113,064.85 is: 156,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,558.18 : 287,810.58 = 113,064.85 : x
  2. Step 2: Convert to fraction form
    208,558.18/287,810.58 = 113,064.85/x
  3. Step 3: Cross multiply
    208,558.18x = 287,810.58 × 113,064.85
  4. Step 4: Simplify right side
    208,558.18x = 32,541,260,056.11
  5. Step 5: Solve for x
    x = 32,541,260,056.11/208,558.18
  6. Step 6: Final answer
    x = 156,029.65

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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.