Home / 154,083.40-231,125.10-140,305.30

Finding the Fourth Proportional to 154,083.40, 231,125.10 and 140,305.30

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Solution

The fourth proportional to 154,083.40, 231,125.10 and 140,305.30 is: 210,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,083.40 : 231,125.10 = 140,305.30 : x
  2. Step 2: Convert to fraction form
    154,083.40/231,125.10 = 140,305.30/x
  3. Step 3: Cross multiply
    154,083.40x = 231,125.10 × 140,305.30
  4. Step 4: Simplify right side
    154,083.40x = 32,428,076,493.03
  5. Step 5: Solve for x
    x = 32,428,076,493.03/154,083.40
  6. Step 6: Final answer
    x = 210,457.95

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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.