Home / 154,420.10-231,630.15-144,052.10

Finding the Fourth Proportional to 154,420.10, 231,630.15 and 144,052.10

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Solution

The fourth proportional to 154,420.10, 231,630.15 and 144,052.10 is: 216,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,420.10 : 231,630.15 = 144,052.10 : x
  2. Step 2: Convert to fraction form
    154,420.10/231,630.15 = 144,052.10/x
  3. Step 3: Cross multiply
    154,420.10x = 231,630.15 × 144,052.10
  4. Step 4: Simplify right side
    154,420.10x = 33,366,809,530.82
  5. Step 5: Solve for x
    x = 33,366,809,530.82/154,420.10
  6. Step 6: Final answer
    x = 216,078.15

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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.