Home / 154,830.60-231,857.10-101,953.80

Finding the Fourth Proportional to 154,830.60, 231,857.10 and 101,953.80

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Solution

The fourth proportional to 154,830.60, 231,857.10 and 101,953.80 is: 152,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,830.60 : 231,857.10 = 101,953.80 : x
  2. Step 2: Convert to fraction form
    154,830.60/231,857.10 = 101,953.80/x
  3. Step 3: Cross multiply
    154,830.60x = 231,857.10 × 101,953.80
  4. Step 4: Simplify right side
    154,830.60x = 23,638,712,401.98
  5. Step 5: Solve for x
    x = 23,638,712,401.98/154,830.60
  6. Step 6: Final answer
    x = 152,674.68

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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.