Home / 137,192.68-205,812.06-47,231.80

Finding the Fourth Proportional to 137,192.68, 205,812.06 and 47,231.80

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Solution

The fourth proportional to 137,192.68, 205,812.06 and 47,231.80 is: 70,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,192.68 : 205,812.06 = 47,231.80 : x
  2. Step 2: Convert to fraction form
    137,192.68/205,812.06 = 47,231.80/x
  3. Step 3: Cross multiply
    137,192.68x = 205,812.06 × 47,231.80
  4. Step 4: Simplify right side
    137,192.68x = 9,720,874,055.51
  5. Step 5: Solve for x
    x = 9,720,874,055.51/137,192.68
  6. Step 6: Final answer
    x = 70,855.63

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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.