Home / 140,835.84-210,161.83-125,880

Finding the Fourth Proportional to 140,835.84, 210,161.83 and 125,880

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Solution

The fourth proportional to 140,835.84, 210,161.83 and 125,880 is: 187,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,835.84 : 210,161.83 = 125,880 : x
  2. Step 2: Convert to fraction form
    140,835.84/210,161.83 = 125,880/x
  3. Step 3: Cross multiply
    140,835.84x = 210,161.83 × 125,880
  4. Step 4: Simplify right side
    140,835.84x = 26,455,171,160.40
  5. Step 5: Solve for x
    x = 26,455,171,160.40/140,835.84
  6. Step 6: Final answer
    x = 187,844.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.