Home / 130,234.80-195,352.20-100,710.30

Finding the Fourth Proportional to 130,234.80, 195,352.20 and 100,710.30

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Solution

The fourth proportional to 130,234.80, 195,352.20 and 100,710.30 is: 151,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,234.80 : 195,352.20 = 100,710.30 : x
  2. Step 2: Convert to fraction form
    130,234.80/195,352.20 = 100,710.30/x
  3. Step 3: Cross multiply
    130,234.80x = 195,352.20 × 100,710.30
  4. Step 4: Simplify right side
    130,234.80x = 19,673,978,667.66
  5. Step 5: Solve for x
    x = 19,673,978,667.66/130,234.80
  6. Step 6: Final answer
    x = 151,065.45

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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.