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Finding the Fourth Proportional to 133,102.80, 199,555.73 and 62,900.10

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Solution

The fourth proportional to 133,102.80, 199,555.73 and 62,900.10 is: 94,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,102.80 : 199,555.73 = 62,900.10 : x
  2. Step 2: Convert to fraction form
    133,102.80/199,555.73 = 62,900.10/x
  3. Step 3: Cross multiply
    133,102.80x = 199,555.73 × 62,900.10
  4. Step 4: Simplify right side
    133,102.80x = 12,552,075,058.07
  5. Step 5: Solve for x
    x = 12,552,075,058.07/133,102.80
  6. Step 6: Final answer
    x = 94,303.61

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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.