Home / 253,731.15-350,136.36-139,010.22

Finding the Fourth Proportional to 253,731.15, 350,136.36 and 139,010.22

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Solution

The fourth proportional to 253,731.15, 350,136.36 and 139,010.22 is: 191,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,731.15 : 350,136.36 = 139,010.22 : x
  2. Step 2: Convert to fraction form
    253,731.15/350,136.36 = 139,010.22/x
  3. Step 3: Cross multiply
    253,731.15x = 350,136.36 × 139,010.22
  4. Step 4: Simplify right side
    253,731.15x = 48,672,532,433.60
  5. Step 5: Solve for x
    x = 48,672,532,433.60/253,731.15
  6. Step 6: Final answer
    x = 191,827.19

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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.