Home / 134,256.80-201,212.40-81,610.40

Finding the Fourth Proportional to 134,256.80, 201,212.40 and 81,610.40

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Solution

The fourth proportional to 134,256.80, 201,212.40 and 81,610.40 is: 122,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,256.80 : 201,212.40 = 81,610.40 : x
  2. Step 2: Convert to fraction form
    134,256.80/201,212.40 = 81,610.40/x
  3. Step 3: Cross multiply
    134,256.80x = 201,212.40 × 81,610.40
  4. Step 4: Simplify right side
    134,256.80x = 16,421,024,448.96
  5. Step 5: Solve for x
    x = 16,421,024,448.96/134,256.80
  6. Step 6: Final answer
    x = 122,310.56

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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.