Home / 105,212.61-157,827.06-35,091.81

Finding the Fourth Proportional to 105,212.61, 157,827.06 and 35,091.81

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Solution

The fourth proportional to 105,212.61, 157,827.06 and 35,091.81 is: 52,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,212.61 : 157,827.06 = 35,091.81 : x
  2. Step 2: Convert to fraction form
    105,212.61/157,827.06 = 35,091.81/x
  3. Step 3: Cross multiply
    105,212.61x = 157,827.06 × 35,091.81
  4. Step 4: Simplify right side
    105,212.61x = 5,538,437,202.38
  5. Step 5: Solve for x
    x = 5,538,437,202.38/105,212.61
  6. Step 6: Final answer
    x = 52,640.43

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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.