Home / 145,634.94-218,537.33-61,389.95

Finding the Fourth Proportional to 145,634.94, 218,537.33 and 61,389.95

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Solution

The fourth proportional to 145,634.94, 218,537.33 and 61,389.95 is: 92,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,634.94 : 218,537.33 = 61,389.95 : x
  2. Step 2: Convert to fraction form
    145,634.94/218,537.33 = 61,389.95/x
  3. Step 3: Cross multiply
    145,634.94x = 218,537.33 × 61,389.95
  4. Step 4: Simplify right side
    145,634.94x = 13,415,994,362.20
  5. Step 5: Solve for x
    x = 13,415,994,362.20/145,634.94
  6. Step 6: Final answer
    x = 92,120.71

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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.