Home / 134,423.53-185,503.05-73,992.88

Finding the Fourth Proportional to 134,423.53, 185,503.05 and 73,992.88

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Solution

The fourth proportional to 134,423.53, 185,503.05 and 73,992.88 is: 102,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,423.53 : 185,503.05 = 73,992.88 : x
  2. Step 2: Convert to fraction form
    134,423.53/185,503.05 = 73,992.88/x
  3. Step 3: Cross multiply
    134,423.53x = 185,503.05 × 73,992.88
  4. Step 4: Simplify right side
    134,423.53x = 13,725,904,918.28
  5. Step 5: Solve for x
    x = 13,725,904,918.28/134,423.53
  6. Step 6: Final answer
    x = 102,109.39

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1.5x scale

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.