Home / 210,895.24-291,035.46-115,401.91

Finding the Fourth Proportional to 210,895.24, 291,035.46 and 115,401.91

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Solution

The fourth proportional to 210,895.24, 291,035.46 and 115,401.91 is: 159,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,895.24 : 291,035.46 = 115,401.91 : x
  2. Step 2: Convert to fraction form
    210,895.24/291,035.46 = 115,401.91/x
  3. Step 3: Cross multiply
    210,895.24x = 291,035.46 × 115,401.91
  4. Step 4: Simplify right side
    210,895.24x = 33,586,047,961.73
  5. Step 5: Solve for x
    x = 33,586,047,961.73/210,895.24
  6. Step 6: Final answer
    x = 159,254.65

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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.