Home / 154,438.10-231,657.15-43,630.10

Finding the Fourth Proportional to 154,438.10, 231,657.15 and 43,630.10

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Solution

The fourth proportional to 154,438.10, 231,657.15 and 43,630.10 is: 65,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,438.10 : 231,657.15 = 43,630.10 : x
  2. Step 2: Convert to fraction form
    154,438.10/231,657.15 = 43,630.10/x
  3. Step 3: Cross multiply
    154,438.10x = 231,657.15 × 43,630.10
  4. Step 4: Simplify right side
    154,438.10x = 10,107,224,620.22
  5. Step 5: Solve for x
    x = 10,107,224,620.22/154,438.10
  6. Step 6: Final answer
    x = 65,445.15

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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.