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Finding the Fourth Proportional to 103,121.10, 144,058.50 and 103,121.10

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Solution

The fourth proportional to 103,121.10, 144,058.50 and 103,121.10 is: 144,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,121.10 : 144,058.50 = 103,121.10 : x
  2. Step 2: Convert to fraction form
    103,121.10/144,058.50 = 103,121.10/x
  3. Step 3: Cross multiply
    103,121.10x = 144,058.50 × 103,121.10
  4. Step 4: Simplify right side
    103,121.10x = 14,855,470,984.35
  5. Step 5: Solve for x
    x = 14,855,470,984.35/103,121.10
  6. Step 6: Final answer
    x = 144,058.50

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.