Home / 254,385.21-351,115.43-147,017.85

Finding the Fourth Proportional to 254,385.21, 351,115.43 and 147,017.85

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Solution

The fourth proportional to 254,385.21, 351,115.43 and 147,017.85 is: 202,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,385.21 : 351,115.43 = 147,017.85 : x
  2. Step 2: Convert to fraction form
    254,385.21/351,115.43 = 147,017.85/x
  3. Step 3: Cross multiply
    254,385.21x = 351,115.43 × 147,017.85
  4. Step 4: Simplify right side
    254,385.21x = 51,620,234,885.34
  5. Step 5: Solve for x
    x = 51,620,234,885.34/254,385.21
  6. Step 6: Final answer
    x = 202,921.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.