Home / 145,190.64-217,792.44-45,352.80

Finding the Fourth Proportional to 145,190.64, 217,792.44 and 45,352.80

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Solution

The fourth proportional to 145,190.64, 217,792.44 and 45,352.80 is: 68,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,190.64 : 217,792.44 = 45,352.80 : x
  2. Step 2: Convert to fraction form
    145,190.64/217,792.44 = 45,352.80/x
  3. Step 3: Cross multiply
    145,190.64x = 217,792.44 × 45,352.80
  4. Step 4: Simplify right side
    145,190.64x = 9,877,496,972.83
  5. Step 5: Solve for x
    x = 9,877,496,972.83/145,190.64
  6. Step 6: Final answer
    x = 68,031.22

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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.