Home / 146,783.10-220,174.65-76,653.30

Finding the Fourth Proportional to 146,783.10, 220,174.65 and 76,653.30

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Solution

The fourth proportional to 146,783.10, 220,174.65 and 76,653.30 is: 114,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,783.10 : 220,174.65 = 76,653.30 : x
  2. Step 2: Convert to fraction form
    146,783.10/220,174.65 = 76,653.30/x
  3. Step 3: Cross multiply
    146,783.10x = 220,174.65 × 76,653.30
  4. Step 4: Simplify right side
    146,783.10x = 16,877,113,498.85
  5. Step 5: Solve for x
    x = 16,877,113,498.85/146,783.10
  6. Step 6: Final answer
    x = 114,979.95

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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.