Home / 137,823.80-190,249.44-134,031.76

Finding the Fourth Proportional to 137,823.80, 190,249.44 and 134,031.76

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Solution

The fourth proportional to 137,823.80, 190,249.44 and 134,031.76 is: 185,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,823.80 : 190,249.44 = 134,031.76 : x
  2. Step 2: Convert to fraction form
    137,823.80/190,249.44 = 134,031.76/x
  3. Step 3: Cross multiply
    137,823.80x = 190,249.44 × 134,031.76
  4. Step 4: Simplify right side
    137,823.80x = 25,499,467,282.21
  5. Step 5: Solve for x
    x = 25,499,467,282.21/137,823.80
  6. Step 6: Final answer
    x = 185,014.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.