Home / 158,123.85-218,231.46-97,723.77

Finding the Fourth Proportional to 158,123.85, 218,231.46 and 97,723.77

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Solution

The fourth proportional to 158,123.85, 218,231.46 and 97,723.77 is: 134,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,123.85 : 218,231.46 = 97,723.77 : x
  2. Step 2: Convert to fraction form
    158,123.85/218,231.46 = 97,723.77/x
  3. Step 3: Cross multiply
    158,123.85x = 218,231.46 × 97,723.77
  4. Step 4: Simplify right side
    158,123.85x = 21,326,401,003.80
  5. Step 5: Solve for x
    x = 21,326,401,003.80/158,123.85
  6. Step 6: Final answer
    x = 134,871.50

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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.