Home / 146,747.30-219,926.55-130,028.90

Finding the Fourth Proportional to 146,747.30, 219,926.55 and 130,028.90

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Solution

The fourth proportional to 146,747.30, 219,926.55 and 130,028.90 is: 194,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,747.30 : 219,926.55 = 130,028.90 : x
  2. Step 2: Convert to fraction form
    146,747.30/219,926.55 = 130,028.90/x
  3. Step 3: Cross multiply
    146,747.30x = 219,926.55 × 130,028.90
  4. Step 4: Simplify right side
    146,747.30x = 28,596,807,377.30
  5. Step 5: Solve for x
    x = 28,596,807,377.30/146,747.30
  6. Step 6: Final answer
    x = 194,871.10

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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.