Home / 154,024.70-231,037.05-54,200.30

Finding the Fourth Proportional to 154,024.70, 231,037.05 and 54,200.30

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Solution

The fourth proportional to 154,024.70, 231,037.05 and 54,200.30 is: 81,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,024.70 : 231,037.05 = 54,200.30 : x
  2. Step 2: Convert to fraction form
    154,024.70/231,037.05 = 54,200.30/x
  3. Step 3: Cross multiply
    154,024.70x = 231,037.05 × 54,200.30
  4. Step 4: Simplify right side
    154,024.70x = 12,522,277,421.12
  5. Step 5: Solve for x
    x = 12,522,277,421.12/154,024.70
  6. Step 6: Final answer
    x = 81,300.45

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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.