Home / 145,381.44-217,982.84-56,531.36

Finding the Fourth Proportional to 145,381.44, 217,982.84 and 56,531.36

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Solution

The fourth proportional to 145,381.44, 217,982.84 and 56,531.36 is: 84,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,381.44 : 217,982.84 = 56,531.36 : x
  2. Step 2: Convert to fraction form
    145,381.44/217,982.84 = 56,531.36/x
  3. Step 3: Cross multiply
    145,381.44x = 217,982.84 × 56,531.36
  4. Step 4: Simplify right side
    145,381.44x = 12,322,866,401.86
  5. Step 5: Solve for x
    x = 12,322,866,401.86/145,381.44
  6. Step 6: Final answer
    x = 84,762.31

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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.