Home / 154,484.88-231,814.98-83,406.57

Finding the Fourth Proportional to 154,484.88, 231,814.98 and 83,406.57

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Solution

The fourth proportional to 154,484.88, 231,814.98 and 83,406.57 is: 125,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,484.88 : 231,814.98 = 83,406.57 : x
  2. Step 2: Convert to fraction form
    154,484.88/231,814.98 = 83,406.57/x
  3. Step 3: Cross multiply
    154,484.88x = 231,814.98 × 83,406.57
  4. Step 4: Simplify right side
    154,484.88x = 19,334,892,356.42
  5. Step 5: Solve for x
    x = 19,334,892,356.42/154,484.88
  6. Step 6: Final answer
    x = 125,157.18

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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.