Home / 127,329.72-190,991.13-43,089.32

Finding the Fourth Proportional to 127,329.72, 190,991.13 and 43,089.32

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Solution

The fourth proportional to 127,329.72, 190,991.13 and 43,089.32 is: 64,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,329.72 : 190,991.13 = 43,089.32 : x
  2. Step 2: Convert to fraction form
    127,329.72/190,991.13 = 43,089.32/x
  3. Step 3: Cross multiply
    127,329.72x = 190,991.13 × 43,089.32
  4. Step 4: Simplify right side
    127,329.72x = 8,229,676,962.78
  5. Step 5: Solve for x
    x = 8,229,676,962.78/127,329.72
  6. Step 6: Final answer
    x = 64,632.80

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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.