Home / 134,145.20-201,144.90-55,267.40

Finding the Fourth Proportional to 134,145.20, 201,144.90 and 55,267.40

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Solution

The fourth proportional to 134,145.20, 201,144.90 and 55,267.40 is: 82,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,145.20 : 201,144.90 = 55,267.40 : x
  2. Step 2: Convert to fraction form
    134,145.20/201,144.90 = 55,267.40/x
  3. Step 3: Cross multiply
    134,145.20x = 201,144.90 × 55,267.40
  4. Step 4: Simplify right side
    134,145.20x = 11,116,755,646.26
  5. Step 5: Solve for x
    x = 11,116,755,646.26/134,145.20
  6. Step 6: Final answer
    x = 82,871.07

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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.