Home / 131,128.08-196,687.02-37,633.80

Finding the Fourth Proportional to 131,128.08, 196,687.02 and 37,633.80

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Solution

The fourth proportional to 131,128.08, 196,687.02 and 37,633.80 is: 56,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,128.08 : 196,687.02 = 37,633.80 : x
  2. Step 2: Convert to fraction form
    131,128.08/196,687.02 = 37,633.80/x
  3. Step 3: Cross multiply
    131,128.08x = 196,687.02 × 37,633.80
  4. Step 4: Simplify right side
    131,128.08x = 7,402,079,973.28
  5. Step 5: Solve for x
    x = 7,402,079,973.28/131,128.08
  6. Step 6: Final answer
    x = 56,449.24

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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.