Home / 208,787.31-288,401.18-160,093.76

Finding the Fourth Proportional to 208,787.31, 288,401.18 and 160,093.76

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Solution

The fourth proportional to 208,787.31, 288,401.18 and 160,093.76 is: 221,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,787.31 : 288,401.18 = 160,093.76 : x
  2. Step 2: Convert to fraction form
    208,787.31/288,401.18 = 160,093.76/x
  3. Step 3: Cross multiply
    208,787.31x = 288,401.18 × 160,093.76
  4. Step 4: Simplify right side
    208,787.31x = 46,171,227,052.16
  5. Step 5: Solve for x
    x = 46,171,227,052.16/208,787.31
  6. Step 6: Final answer
    x = 221,140.01

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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.