Home / 142,145.57-213,241.44-53,406.23

Finding the Fourth Proportional to 142,145.57, 213,241.44 and 53,406.23

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Solution

The fourth proportional to 142,145.57, 213,241.44 and 53,406.23 is: 80,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,145.57 : 213,241.44 = 53,406.23 : x
  2. Step 2: Convert to fraction form
    142,145.57/213,241.44 = 53,406.23/x
  3. Step 3: Cross multiply
    142,145.57x = 213,241.44 × 53,406.23
  4. Step 4: Simplify right side
    142,145.57x = 11,388,420,323.96
  5. Step 5: Solve for x
    x = 11,388,420,323.96/142,145.57
  6. Step 6: Final answer
    x = 80,118.01

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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.