Home / 208,935.03-288,327.36-113,445.39

Finding the Fourth Proportional to 208,935.03, 288,327.36 and 113,445.39

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Solution

The fourth proportional to 208,935.03, 288,327.36 and 113,445.39 is: 156,553.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,935.03 : 288,327.36 = 113,445.39 : x
  2. Step 2: Convert to fraction form
    208,935.03/288,327.36 = 113,445.39/x
  3. Step 3: Cross multiply
    208,935.03x = 288,327.36 × 113,445.39
  4. Step 4: Simplify right side
    208,935.03x = 32,709,409,802.87
  5. Step 5: Solve for x
    x = 32,709,409,802.87/208,935.03
  6. Step 6: Final answer
    x = 156,553.02

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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.