Home / 134,438.40-201,150.92-80,202.51

Finding the Fourth Proportional to 134,438.40, 201,150.92 and 80,202.51

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Solution

The fourth proportional to 134,438.40, 201,150.92 and 80,202.51 is: 120,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,438.40 : 201,150.92 = 80,202.51 : x
  2. Step 2: Convert to fraction form
    134,438.40/201,150.92 = 80,202.51/x
  3. Step 3: Cross multiply
    134,438.40x = 201,150.92 × 80,202.51
  4. Step 4: Simplify right side
    134,438.40x = 16,132,808,271.80
  5. Step 5: Solve for x
    x = 16,132,808,271.80/134,438.40
  6. Step 6: Final answer
    x = 120,001.49

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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.