Home / 155,510.42-214,408.20-101,710.22

Finding the Fourth Proportional to 155,510.42, 214,408.20 and 101,710.22

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Solution

The fourth proportional to 155,510.42, 214,408.20 and 101,710.22 is: 140,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,510.42 : 214,408.20 = 101,710.22 : x
  2. Step 2: Convert to fraction form
    155,510.42/214,408.20 = 101,710.22/x
  3. Step 3: Cross multiply
    155,510.42x = 214,408.20 × 101,710.22
  4. Step 4: Simplify right side
    155,510.42x = 21,807,505,191.80
  5. Step 5: Solve for x
    x = 21,807,505,191.80/155,510.42
  6. Step 6: Final answer
    x = 140,231.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.