Home / 145,772.46-201,161.48-82,108.89

Finding the Fourth Proportional to 145,772.46, 201,161.48 and 82,108.89

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Solution

The fourth proportional to 145,772.46, 201,161.48 and 82,108.89 is: 113,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,772.46 : 201,161.48 = 82,108.89 : x
  2. Step 2: Convert to fraction form
    145,772.46/201,161.48 = 82,108.89/x
  3. Step 3: Cross multiply
    145,772.46x = 201,161.48 × 82,108.89
  4. Step 4: Simplify right side
    145,772.46x = 16,517,145,423.01
  5. Step 5: Solve for x
    x = 16,517,145,423.01/145,772.46
  6. Step 6: Final answer
    x = 113,307.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.