Home / 115,047.37-158,714.13-67,279.66

Finding the Fourth Proportional to 115,047.37, 158,714.13 and 67,279.66

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Solution

The fourth proportional to 115,047.37, 158,714.13 and 67,279.66 is: 92,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,047.37 : 158,714.13 = 67,279.66 : x
  2. Step 2: Convert to fraction form
    115,047.37/158,714.13 = 67,279.66/x
  3. Step 3: Cross multiply
    115,047.37x = 158,714.13 × 67,279.66
  4. Step 4: Simplify right side
    115,047.37x = 10,678,232,703.60
  5. Step 5: Solve for x
    x = 10,678,232,703.60/115,047.37
  6. Step 6: Final answer
    x = 92,815.97

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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.