Home / 99,369.20-148,859.40-59,808.80

Finding the Fourth Proportional to 99,369.20, 148,859.40 and 59,808.80

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Solution

The fourth proportional to 99,369.20, 148,859.40 and 59,808.80 is: 89,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,369.20 : 148,859.40 = 59,808.80 : x
  2. Step 2: Convert to fraction form
    99,369.20/148,859.40 = 59,808.80/x
  3. Step 3: Cross multiply
    99,369.20x = 148,859.40 × 59,808.80
  4. Step 4: Simplify right side
    99,369.20x = 8,903,102,082.72
  5. Step 5: Solve for x
    x = 8,903,102,082.72/99,369.20
  6. Step 6: Final answer
    x = 89,596.19

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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.