Home / 158,543.20-218,783.04-94,843.36

Finding the Fourth Proportional to 158,543.20, 218,783.04 and 94,843.36

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Solution

The fourth proportional to 158,543.20, 218,783.04 and 94,843.36 is: 130,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,543.20 : 218,783.04 = 94,843.36 : x
  2. Step 2: Convert to fraction form
    158,543.20/218,783.04 = 94,843.36/x
  3. Step 3: Cross multiply
    158,543.20x = 218,783.04 × 94,843.36
  4. Step 4: Simplify right side
    158,543.20x = 20,750,118,624.61
  5. Step 5: Solve for x
    x = 20,750,118,624.61/158,543.20
  6. Step 6: Final answer
    x = 130,879.90

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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.