Home / 127,430.78-191,141.81-32,661.89

Finding the Fourth Proportional to 127,430.78, 191,141.81 and 32,661.89

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Solution

The fourth proportional to 127,430.78, 191,141.81 and 32,661.89 is: 48,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,430.78 : 191,141.81 = 32,661.89 : x
  2. Step 2: Convert to fraction form
    127,430.78/191,141.81 = 32,661.89/x
  3. Step 3: Cross multiply
    127,430.78x = 191,141.81 × 32,661.89
  4. Step 4: Simplify right side
    127,430.78x = 6,243,051,653.60
  5. Step 5: Solve for x
    x = 6,243,051,653.60/127,430.78
  6. Step 6: Final answer
    x = 48,991.71

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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.