Home / 230,302.28-345,191.36-140,146.15

Finding the Fourth Proportional to 230,302.28, 345,191.36 and 140,146.15

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Solution

The fourth proportional to 230,302.28, 345,191.36 and 140,146.15 is: 210,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,302.28 : 345,191.36 = 140,146.15 : x
  2. Step 2: Convert to fraction form
    230,302.28/345,191.36 = 140,146.15/x
  3. Step 3: Cross multiply
    230,302.28x = 345,191.36 × 140,146.15
  4. Step 4: Simplify right side
    230,302.28x = 48,377,240,117.26
  5. Step 5: Solve for x
    x = 48,377,240,117.26/230,302.28
  6. Step 6: Final answer
    x = 210,059.75

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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.