Home / 211,431.49-316,525.15-141,136.45

Finding the Fourth Proportional to 211,431.49, 316,525.15 and 141,136.45

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Solution

The fourth proportional to 211,431.49, 316,525.15 and 141,136.45 is: 211,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,431.49 : 316,525.15 = 141,136.45 : x
  2. Step 2: Convert to fraction form
    211,431.49/316,525.15 = 141,136.45/x
  3. Step 3: Cross multiply
    211,431.49x = 316,525.15 × 141,136.45
  4. Step 4: Simplify right side
    211,431.49x = 44,673,236,006.72
  5. Step 5: Solve for x
    x = 44,673,236,006.72/211,431.49
  6. Step 6: Final answer
    x = 211,289.42

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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.