Home / 239,117.34-358,714.89-81,329.34

Finding the Fourth Proportional to 239,117.34, 358,714.89 and 81,329.34

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Solution

The fourth proportional to 239,117.34, 358,714.89 and 81,329.34 is: 122,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,117.34 : 358,714.89 = 81,329.34 : x
  2. Step 2: Convert to fraction form
    239,117.34/358,714.89 = 81,329.34/x
  3. Step 3: Cross multiply
    239,117.34x = 358,714.89 × 81,329.34
  4. Step 4: Simplify right side
    239,117.34x = 29,174,045,251.87
  5. Step 5: Solve for x
    x = 29,174,045,251.87/239,117.34
  6. Step 6: Final answer
    x = 122,007.23

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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.