Home / 177,915.72-245,483.52-106,281.78

Finding the Fourth Proportional to 177,915.72, 245,483.52 and 106,281.78

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Solution

The fourth proportional to 177,915.72, 245,483.52 and 106,281.78 is: 146,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,915.72 : 245,483.52 = 106,281.78 : x
  2. Step 2: Convert to fraction form
    177,915.72/245,483.52 = 106,281.78/x
  3. Step 3: Cross multiply
    177,915.72x = 245,483.52 × 106,281.78
  4. Step 4: Simplify right side
    177,915.72x = 26,090,425,466.27
  5. Step 5: Solve for x
    x = 26,090,425,466.27/177,915.72
  6. Step 6: Final answer
    x = 146,644.86

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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.