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Finding the Fourth Proportional to 105,047.63, 157,572.80 and 34,926.94

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Solution

The fourth proportional to 105,047.63, 157,572.80 and 34,926.94 is: 52,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,047.63 : 157,572.80 = 34,926.94 : x
  2. Step 2: Convert to fraction form
    105,047.63/157,572.80 = 34,926.94/x
  3. Step 3: Cross multiply
    105,047.63x = 157,572.80 × 34,926.94
  4. Step 4: Simplify right side
    105,047.63x = 5,503,535,424.62
  5. Step 5: Solve for x
    x = 5,503,535,424.62/105,047.63
  6. Step 6: Final answer
    x = 52,390.86

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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.