Home / 251,116.80-376,675.20-146,140.80

Finding the Fourth Proportional to 251,116.80, 376,675.20 and 146,140.80

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Solution

The fourth proportional to 251,116.80, 376,675.20 and 146,140.80 is: 219,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,116.80 : 376,675.20 = 146,140.80 : x
  2. Step 2: Convert to fraction form
    251,116.80/376,675.20 = 146,140.80/x
  3. Step 3: Cross multiply
    251,116.80x = 376,675.20 × 146,140.80
  4. Step 4: Simplify right side
    251,116.80x = 55,047,615,068.16
  5. Step 5: Solve for x
    x = 55,047,615,068.16/251,116.80
  6. Step 6: Final answer
    x = 219,211.20

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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.