Home / 133,080.60-199,329.30-70,678.20

Finding the Fourth Proportional to 133,080.60, 199,329.30 and 70,678.20

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Solution

The fourth proportional to 133,080.60, 199,329.30 and 70,678.20 is: 105,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,080.60 : 199,329.30 = 70,678.20 : x
  2. Step 2: Convert to fraction form
    133,080.60/199,329.30 = 70,678.20/x
  3. Step 3: Cross multiply
    133,080.60x = 199,329.30 × 70,678.20
  4. Step 4: Simplify right side
    133,080.60x = 14,088,236,131.26
  5. Step 5: Solve for x
    x = 14,088,236,131.26/133,080.60
  6. Step 6: Final answer
    x = 105,862.43

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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.