Home / 117,039.78-175,574.25-38,132.82

Finding the Fourth Proportional to 117,039.78, 175,574.25 and 38,132.82

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Solution

The fourth proportional to 117,039.78, 175,574.25 and 38,132.82 is: 57,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,039.78 : 175,574.25 = 38,132.82 : x
  2. Step 2: Convert to fraction form
    117,039.78/175,574.25 = 38,132.82/x
  3. Step 3: Cross multiply
    117,039.78x = 175,574.25 × 38,132.82
  4. Step 4: Simplify right side
    117,039.78x = 6,695,141,271.89
  5. Step 5: Solve for x
    x = 6,695,141,271.89/117,039.78
  6. Step 6: Final answer
    x = 57,203.98

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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.