Home / 211,369.24-291,675-125,323.84

Finding the Fourth Proportional to 211,369.24, 291,675 and 125,323.84

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Solution

The fourth proportional to 211,369.24, 291,675 and 125,323.84 is: 172,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,369.24 : 291,675 = 125,323.84 : x
  2. Step 2: Convert to fraction form
    211,369.24/291,675 = 125,323.84/x
  3. Step 3: Cross multiply
    211,369.24x = 291,675 × 125,323.84
  4. Step 4: Simplify right side
    211,369.24x = 36,553,831,032
  5. Step 5: Solve for x
    x = 36,553,831,032/211,369.24
  6. Step 6: Final answer
    x = 172,938.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.