Home / 230,057.10-345,097.35-72,287.10

Finding the Fourth Proportional to 230,057.10, 345,097.35 and 72,287.10

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Solution

The fourth proportional to 230,057.10, 345,097.35 and 72,287.10 is: 108,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,057.10 : 345,097.35 = 72,287.10 : x
  2. Step 2: Convert to fraction form
    230,057.10/345,097.35 = 72,287.10/x
  3. Step 3: Cross multiply
    230,057.10x = 345,097.35 × 72,287.10
  4. Step 4: Simplify right side
    230,057.10x = 24,946,086,649.19
  5. Step 5: Solve for x
    x = 24,946,086,649.19/230,057.10
  6. Step 6: Final answer
    x = 108,434.33

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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.