Home / 208,082.10-287,152.12-117,467.50

Finding the Fourth Proportional to 208,082.10, 287,152.12 and 117,467.50

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Solution

The fourth proportional to 208,082.10, 287,152.12 and 117,467.50 is: 162,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,082.10 : 287,152.12 = 117,467.50 : x
  2. Step 2: Convert to fraction form
    208,082.10/287,152.12 = 117,467.50/x
  3. Step 3: Cross multiply
    208,082.10x = 287,152.12 × 117,467.50
  4. Step 4: Simplify right side
    208,082.10x = 33,731,041,656.10
  5. Step 5: Solve for x
    x = 33,731,041,656.10/208,082.10
  6. Step 6: Final answer
    x = 162,104.48

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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.