Home / 154,256.30-231,339.06-69,967.70

Finding the Fourth Proportional to 154,256.30, 231,339.06 and 69,967.70

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Solution

The fourth proportional to 154,256.30, 231,339.06 and 69,967.70 is: 104,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,256.30 : 231,339.06 = 69,967.70 : x
  2. Step 2: Convert to fraction form
    154,256.30/231,339.06 = 69,967.70/x
  3. Step 3: Cross multiply
    154,256.30x = 231,339.06 × 69,967.70
  4. Step 4: Simplify right side
    154,256.30x = 16,186,261,948.36
  5. Step 5: Solve for x
    x = 16,186,261,948.36/154,256.30
  6. Step 6: Final answer
    x = 104,930.96

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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.