Home / 146,784.10-220,176.15-76,654.30

Finding the Fourth Proportional to 146,784.10, 220,176.15 and 76,654.30

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Solution

The fourth proportional to 146,784.10, 220,176.15 and 76,654.30 is: 114,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,784.10 : 220,176.15 = 76,654.30 : x
  2. Step 2: Convert to fraction form
    146,784.10/220,176.15 = 76,654.30/x
  3. Step 3: Cross multiply
    146,784.10x = 220,176.15 × 76,654.30
  4. Step 4: Simplify right side
    146,784.10x = 16,877,448,654.95
  5. Step 5: Solve for x
    x = 16,877,448,654.95/146,784.10
  6. Step 6: Final answer
    x = 114,981.45

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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.