Home / 136,085.80-204,080.10-47,342.20

Finding the Fourth Proportional to 136,085.80, 204,080.10 and 47,342.20

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Solution

The fourth proportional to 136,085.80, 204,080.10 and 47,342.20 is: 70,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,085.80 : 204,080.10 = 47,342.20 : x
  2. Step 2: Convert to fraction form
    136,085.80/204,080.10 = 47,342.20/x
  3. Step 3: Cross multiply
    136,085.80x = 204,080.10 × 47,342.20
  4. Step 4: Simplify right side
    136,085.80x = 9,661,600,910.22
  5. Step 5: Solve for x
    x = 9,661,600,910.22/136,085.80
  6. Step 6: Final answer
    x = 70,996.39

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1.5x scale

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.