Home / 159,740.37-220,385.88-102,411.27

Finding the Fourth Proportional to 159,740.37, 220,385.88 and 102,411.27

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Solution

The fourth proportional to 159,740.37, 220,385.88 and 102,411.27 is: 141,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,740.37 : 220,385.88 = 102,411.27 : x
  2. Step 2: Convert to fraction form
    159,740.37/220,385.88 = 102,411.27/x
  3. Step 3: Cross multiply
    159,740.37x = 220,385.88 × 102,411.27
  4. Step 4: Simplify right side
    159,740.37x = 22,569,997,860.87
  5. Step 5: Solve for x
    x = 22,569,997,860.87/159,740.37
  6. Step 6: Final answer
    x = 141,291.76

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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.