Home / 208,599.82-287,868.30-113,106.52

Finding the Fourth Proportional to 208,599.82, 287,868.30 and 113,106.52

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Solution

The fourth proportional to 208,599.82, 287,868.30 and 113,106.52 is: 156,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,599.82 : 287,868.30 = 113,106.52 : x
  2. Step 2: Convert to fraction form
    208,599.82/287,868.30 = 113,106.52/x
  3. Step 3: Cross multiply
    208,599.82x = 287,868.30 × 113,106.52
  4. Step 4: Simplify right side
    208,599.82x = 32,559,781,631.32
  5. Step 5: Solve for x
    x = 32,559,781,631.32/208,599.82
  6. Step 6: Final answer
    x = 156,087.29

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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.