Home / 140,151.35-210,102.03-51,384.17

Finding the Fourth Proportional to 140,151.35, 210,102.03 and 51,384.17

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Solution

The fourth proportional to 140,151.35, 210,102.03 and 51,384.17 is: 77,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,151.35 : 210,102.03 = 51,384.17 : x
  2. Step 2: Convert to fraction form
    140,151.35/210,102.03 = 51,384.17/x
  3. Step 3: Cross multiply
    140,151.35x = 210,102.03 × 51,384.17
  4. Step 4: Simplify right side
    140,151.35x = 10,795,918,426.87
  5. Step 5: Solve for x
    x = 10,795,918,426.87/140,151.35
  6. Step 6: Final answer
    x = 77,030.43

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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.