Home / 208,099.20-287,176.32-112,607.52

Finding the Fourth Proportional to 208,099.20, 287,176.32 and 112,607.52

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Solution

The fourth proportional to 208,099.20, 287,176.32 and 112,607.52 is: 155,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,099.20 : 287,176.32 = 112,607.52 : x
  2. Step 2: Convert to fraction form
    208,099.20/287,176.32 = 112,607.52/x
  3. Step 3: Cross multiply
    208,099.20x = 287,176.32 × 112,607.52
  4. Step 4: Simplify right side
    208,099.20x = 32,338,213,197.93
  5. Step 5: Solve for x
    x = 32,338,213,197.93/208,099.20
  6. Step 6: Final answer
    x = 155,398.07

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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.