Home / 134,929.80-202,070.70-72,462.60

Finding the Fourth Proportional to 134,929.80, 202,070.70 and 72,462.60

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Solution

The fourth proportional to 134,929.80, 202,070.70 and 72,462.60 is: 108,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,929.80 : 202,070.70 = 72,462.60 : x
  2. Step 2: Convert to fraction form
    134,929.80/202,070.70 = 72,462.60/x
  3. Step 3: Cross multiply
    134,929.80x = 202,070.70 × 72,462.60
  4. Step 4: Simplify right side
    134,929.80x = 14,642,568,305.82
  5. Step 5: Solve for x
    x = 14,642,568,305.82/134,929.80
  6. Step 6: Final answer
    x = 108,519.90

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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.