Home / 178,488.10-246,315.46-97,915.78

Finding the Fourth Proportional to 178,488.10, 246,315.46 and 97,915.78

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Solution

The fourth proportional to 178,488.10, 246,315.46 and 97,915.78 is: 135,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,488.10 : 246,315.46 = 97,915.78 : x
  2. Step 2: Convert to fraction form
    178,488.10/246,315.46 = 97,915.78/x
  3. Step 3: Cross multiply
    178,488.10x = 246,315.46 × 97,915.78
  4. Step 4: Simplify right side
    178,488.10x = 24,118,170,391.96
  5. Step 5: Solve for x
    x = 24,118,170,391.96/178,488.10
  6. Step 6: Final answer
    x = 135,124.81

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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.