Home / 230,303.28-345,192.86-140,147.15

Finding the Fourth Proportional to 230,303.28, 345,192.86 and 140,147.15

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Solution

The fourth proportional to 230,303.28, 345,192.86 and 140,147.15 is: 210,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,303.28 : 345,192.86 = 140,147.15 : x
  2. Step 2: Convert to fraction form
    230,303.28/345,192.86 = 140,147.15/x
  3. Step 3: Cross multiply
    230,303.28x = 345,192.86 × 140,147.15
  4. Step 4: Simplify right side
    230,303.28x = 48,377,795,529.35
  5. Step 5: Solve for x
    x = 48,377,795,529.35/230,303.28
  6. Step 6: Final answer
    x = 210,061.25

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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.