Home / 146,114.55-219,117.15-51,308.10

Finding the Fourth Proportional to 146,114.55, 219,117.15 and 51,308.10

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Solution

The fourth proportional to 146,114.55, 219,117.15 and 51,308.10 is: 76,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,114.55 : 219,117.15 = 51,308.10 : x
  2. Step 2: Convert to fraction form
    146,114.55/219,117.15 = 51,308.10/x
  3. Step 3: Cross multiply
    146,114.55x = 219,117.15 × 51,308.10
  4. Step 4: Simplify right side
    146,114.55x = 11,242,484,643.92
  5. Step 5: Solve for x
    x = 11,242,484,643.92/146,114.55
  6. Step 6: Final answer
    x = 76,942.95

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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.