Home / 154,401.40-231,602.10-54,564.85

Finding the Fourth Proportional to 154,401.40, 231,602.10 and 54,564.85

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Solution

The fourth proportional to 154,401.40, 231,602.10 and 54,564.85 is: 81,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,401.40 : 231,602.10 = 54,564.85 : x
  2. Step 2: Convert to fraction form
    154,401.40/231,602.10 = 54,564.85/x
  3. Step 3: Cross multiply
    154,401.40x = 231,602.10 × 54,564.85
  4. Step 4: Simplify right side
    154,401.40x = 12,637,333,846.19
  5. Step 5: Solve for x
    x = 12,637,333,846.19/154,401.40
  6. Step 6: Final answer
    x = 81,847.28

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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.