Home / 131,737.61-197,637.84-42,991.28

Finding the Fourth Proportional to 131,737.61, 197,637.84 and 42,991.28

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Solution

The fourth proportional to 131,737.61, 197,637.84 and 42,991.28 is: 64,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,737.61 : 197,637.84 = 42,991.28 : x
  2. Step 2: Convert to fraction form
    131,737.61/197,637.84 = 42,991.28/x
  3. Step 3: Cross multiply
    131,737.61x = 197,637.84 × 42,991.28
  4. Step 4: Simplify right side
    131,737.61x = 8,496,702,729.85
  5. Step 5: Solve for x
    x = 8,496,702,729.85/131,737.61
  6. Step 6: Final answer
    x = 64,497.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.