Home / 158,173.13-218,278.33-85,575.79

Finding the Fourth Proportional to 158,173.13, 218,278.33 and 85,575.79

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Solution

The fourth proportional to 158,173.13, 218,278.33 and 85,575.79 is: 118,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,173.13 : 218,278.33 = 85,575.79 : x
  2. Step 2: Convert to fraction form
    158,173.13/218,278.33 = 85,575.79/x
  3. Step 3: Cross multiply
    158,173.13x = 218,278.33 × 85,575.79
  4. Step 4: Simplify right side
    158,173.13x = 18,679,340,529.63
  5. Step 5: Solve for x
    x = 18,679,340,529.63/158,173.13
  6. Step 6: Final answer
    x = 118,094.27

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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.