Home / 146,620.45-219,886.80-76,461.49

Finding the Fourth Proportional to 146,620.45, 219,886.80 and 76,461.49

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Solution

The fourth proportional to 146,620.45, 219,886.80 and 76,461.49 is: 114,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,620.45 : 219,886.80 = 76,461.49 : x
  2. Step 2: Convert to fraction form
    146,620.45/219,886.80 = 76,461.49/x
  3. Step 3: Cross multiply
    146,620.45x = 219,886.80 × 76,461.49
  4. Step 4: Simplify right side
    146,620.45x = 16,812,872,359.33
  5. Step 5: Solve for x
    x = 16,812,872,359.33/146,620.45
  6. Step 6: Final answer
    x = 114,669.35

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1.5x scale

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.