Home / 145,072.82-217,607.18-45,233.99

Finding the Fourth Proportional to 145,072.82, 217,607.18 and 45,233.99

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Solution

The fourth proportional to 145,072.82, 217,607.18 and 45,233.99 is: 67,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,072.82 : 217,607.18 = 45,233.99 : x
  2. Step 2: Convert to fraction form
    145,072.82/217,607.18 = 45,233.99/x
  3. Step 3: Cross multiply
    145,072.82x = 217,607.18 × 45,233.99
  4. Step 4: Simplify right side
    145,072.82x = 9,843,242,111.57
  5. Step 5: Solve for x
    x = 9,843,242,111.57/145,072.82
  6. Step 6: Final answer
    x = 67,850.35

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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.