Home / 239,256.16-358,939.79-81,485.98

Finding the Fourth Proportional to 239,256.16, 358,939.79 and 81,485.98

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Solution

The fourth proportional to 239,256.16, 358,939.79 and 81,485.98 is: 122,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,256.16 : 358,939.79 = 81,485.98 : x
  2. Step 2: Convert to fraction form
    239,256.16/358,939.79 = 81,485.98/x
  3. Step 3: Cross multiply
    239,256.16x = 358,939.79 × 81,485.98
  4. Step 4: Simplify right side
    239,256.16x = 29,248,560,549.14
  5. Step 5: Solve for x
    x = 29,248,560,549.14/239,256.16
  6. Step 6: Final answer
    x = 122,247.89

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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.