Home / 107,928.86-161,916.33-37,812.38

Finding the Fourth Proportional to 107,928.86, 161,916.33 and 37,812.38

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Solution

The fourth proportional to 107,928.86, 161,916.33 and 37,812.38 is: 56,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928.86 : 161,916.33 = 37,812.38 : x
  2. Step 2: Convert to fraction form
    107,928.86/161,916.33 = 37,812.38/x
  3. Step 3: Cross multiply
    107,928.86x = 161,916.33 × 37,812.38
  4. Step 4: Simplify right side
    107,928.86x = 6,122,441,798.17
  5. Step 5: Solve for x
    x = 6,122,441,798.17/107,928.86
  6. Step 6: Final answer
    x = 56,726.64

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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.