Home / 239,775.74-331,010.29-149,161.16

Finding the Fourth Proportional to 239,775.74, 331,010.29 and 149,161.16

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Solution

The fourth proportional to 239,775.74, 331,010.29 and 149,161.16 is: 205,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,775.74 : 331,010.29 = 149,161.16 : x
  2. Step 2: Convert to fraction form
    239,775.74/331,010.29 = 149,161.16/x
  3. Step 3: Cross multiply
    239,775.74x = 331,010.29 × 149,161.16
  4. Step 4: Simplify right side
    239,775.74x = 49,373,878,828.34
  5. Step 5: Solve for x
    x = 49,373,878,828.34/239,775.74
  6. Step 6: Final answer
    x = 205,916.91

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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.