Home / 146,017.62-219,028.14-57,312.90

Finding the Fourth Proportional to 146,017.62, 219,028.14 and 57,312.90

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Solution

The fourth proportional to 146,017.62, 219,028.14 and 57,312.90 is: 85,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,017.62 : 219,028.14 = 57,312.90 : x
  2. Step 2: Convert to fraction form
    146,017.62/219,028.14 = 57,312.90/x
  3. Step 3: Cross multiply
    146,017.62x = 219,028.14 × 57,312.90
  4. Step 4: Simplify right side
    146,017.62x = 12,553,137,885.01
  5. Step 5: Solve for x
    x = 12,553,137,885.01/146,017.62
  6. Step 6: Final answer
    x = 85,970.02

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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.