Home / 134,238.24-201,512.90-72,030.24

Finding the Fourth Proportional to 134,238.24, 201,512.90 and 72,030.24

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Solution

The fourth proportional to 134,238.24, 201,512.90 and 72,030.24 is: 108,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,238.24 : 201,512.90 = 72,030.24 : x
  2. Step 2: Convert to fraction form
    134,238.24/201,512.90 = 72,030.24/x
  3. Step 3: Cross multiply
    134,238.24x = 201,512.90 × 72,030.24
  4. Step 4: Simplify right side
    134,238.24x = 14,515,022,550.10
  5. Step 5: Solve for x
    x = 14,515,022,550.10/134,238.24
  6. Step 6: Final answer
    x = 108,128.82

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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.