Home / 154,423.80-231,635.70-107,184.60

Finding the Fourth Proportional to 154,423.80, 231,635.70 and 107,184.60

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Solution

The fourth proportional to 154,423.80, 231,635.70 and 107,184.60 is: 160,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,423.80 : 231,635.70 = 107,184.60 : x
  2. Step 2: Convert to fraction form
    154,423.80/231,635.70 = 107,184.60/x
  3. Step 3: Cross multiply
    154,423.80x = 231,635.70 × 107,184.60
  4. Step 4: Simplify right side
    154,423.80x = 24,827,779,850.22
  5. Step 5: Solve for x
    x = 24,827,779,850.22/154,423.80
  6. Step 6: Final answer
    x = 160,776.90

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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.