Home / 134,421.27-185,499.95-73,990.62

Finding the Fourth Proportional to 134,421.27, 185,499.95 and 73,990.62

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Solution

The fourth proportional to 134,421.27, 185,499.95 and 73,990.62 is: 102,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,421.27 : 185,499.95 = 73,990.62 : x
  2. Step 2: Convert to fraction form
    134,421.27/185,499.95 = 73,990.62/x
  3. Step 3: Cross multiply
    134,421.27x = 185,499.95 × 73,990.62
  4. Step 4: Simplify right side
    134,421.27x = 13,725,256,310.47
  5. Step 5: Solve for x
    x = 13,725,256,310.47/134,421.27
  6. Step 6: Final answer
    x = 102,106.28

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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.