Home / 103,440.70-155,237.85-41,155.90

Finding the Fourth Proportional to 103,440.70, 155,237.85 and 41,155.90

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Solution

The fourth proportional to 103,440.70, 155,237.85 and 41,155.90 is: 61,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,440.70 : 155,237.85 = 41,155.90 : x
  2. Step 2: Convert to fraction form
    103,440.70/155,237.85 = 41,155.90/x
  3. Step 3: Cross multiply
    103,440.70x = 155,237.85 × 41,155.90
  4. Step 4: Simplify right side
    103,440.70x = 6,388,953,430.82
  5. Step 5: Solve for x
    x = 6,388,953,430.82/103,440.70
  6. Step 6: Final answer
    x = 61,764.41

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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.