Home / 154,312.40-231,418.68-49,106.72

Finding the Fourth Proportional to 154,312.40, 231,418.68 and 49,106.72

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Solution

The fourth proportional to 154,312.40, 231,418.68 and 49,106.72 is: 73,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,312.40 : 231,418.68 = 49,106.72 : x
  2. Step 2: Convert to fraction form
    154,312.40/231,418.68 = 49,106.72/x
  3. Step 3: Cross multiply
    154,312.40x = 231,418.68 × 49,106.72
  4. Step 4: Simplify right side
    154,312.40x = 11,364,212,321.53
  5. Step 5: Solve for x
    x = 11,364,212,321.53/154,312.40
  6. Step 6: Final answer
    x = 73,644.19

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1.5x scale

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.