Home / 145,185.90-217,675.89-56,364.54

Finding the Fourth Proportional to 145,185.90, 217,675.89 and 56,364.54

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Solution

The fourth proportional to 145,185.90, 217,675.89 and 56,364.54 is: 84,506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,185.90 : 217,675.89 = 56,364.54 : x
  2. Step 2: Convert to fraction form
    145,185.90/217,675.89 = 56,364.54/x
  3. Step 3: Cross multiply
    145,185.90x = 217,675.89 × 56,364.54
  4. Step 4: Simplify right side
    145,185.90x = 12,269,201,408.94
  5. Step 5: Solve for x
    x = 12,269,201,408.94/145,185.90
  6. Step 6: Final answer
    x = 84,506.84

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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.