Home / 173,977.20-260,965.80-154,148.40

Finding the Fourth Proportional to 173,977.20, 260,965.80 and 154,148.40

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Solution

The fourth proportional to 173,977.20, 260,965.80 and 154,148.40 is: 231,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,977.20 : 260,965.80 = 154,148.40 : x
  2. Step 2: Convert to fraction form
    173,977.20/260,965.80 = 154,148.40/x
  3. Step 3: Cross multiply
    173,977.20x = 260,965.80 × 154,148.40
  4. Step 4: Simplify right side
    173,977.20x = 40,227,460,524.72
  5. Step 5: Solve for x
    x = 40,227,460,524.72/173,977.20
  6. Step 6: Final answer
    x = 231,222.60

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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.