Home / 136,914.10-205,376.84-47,018.58

Finding the Fourth Proportional to 136,914.10, 205,376.84 and 47,018.58

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Solution

The fourth proportional to 136,914.10, 205,376.84 and 47,018.58 is: 70,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,914.10 : 205,376.84 = 47,018.58 : x
  2. Step 2: Convert to fraction form
    136,914.10/205,376.84 = 47,018.58/x
  3. Step 3: Cross multiply
    136,914.10x = 205,376.84 × 47,018.58
  4. Step 4: Simplify right side
    136,914.10x = 9,656,527,381.69
  5. Step 5: Solve for x
    x = 9,656,527,381.69/136,914.10
  6. Step 6: Final answer
    x = 70,529.82

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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.