Home / 146,915.94-220,369.86-98,774.40

Finding the Fourth Proportional to 146,915.94, 220,369.86 and 98,774.40

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Solution

The fourth proportional to 146,915.94, 220,369.86 and 98,774.40 is: 148,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,915.94 : 220,369.86 = 98,774.40 : x
  2. Step 2: Convert to fraction form
    146,915.94/220,369.86 = 98,774.40/x
  3. Step 3: Cross multiply
    146,915.94x = 220,369.86 × 98,774.40
  4. Step 4: Simplify right side
    146,915.94x = 21,766,900,699.58
  5. Step 5: Solve for x
    x = 21,766,900,699.58/146,915.94
  6. Step 6: Final answer
    x = 148,158.88

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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.