Home / 144,467.21-216,646.93-49,670.55

Finding the Fourth Proportional to 144,467.21, 216,646.93 and 49,670.55

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Solution

The fourth proportional to 144,467.21, 216,646.93 and 49,670.55 is: 74,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,467.21 : 216,646.93 = 49,670.55 : x
  2. Step 2: Convert to fraction form
    144,467.21/216,646.93 = 49,670.55/x
  3. Step 3: Cross multiply
    144,467.21x = 216,646.93 × 49,670.55
  4. Step 4: Simplify right side
    144,467.21x = 10,760,972,168.91
  5. Step 5: Solve for x
    x = 10,760,972,168.91/144,467.21
  6. Step 6: Final answer
    x = 74,487.30

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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.