Home / 171,428.42-256,100.16-110,964.35

Finding the Fourth Proportional to 171,428.42, 256,100.16 and 110,964.35

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Solution

The fourth proportional to 171,428.42, 256,100.16 and 110,964.35 is: 165,771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,428.42 : 256,100.16 = 110,964.35 : x
  2. Step 2: Convert to fraction form
    171,428.42/256,100.16 = 110,964.35/x
  3. Step 3: Cross multiply
    171,428.42x = 256,100.16 × 110,964.35
  4. Step 4: Simplify right side
    171,428.42x = 28,417,988,221.49
  5. Step 5: Solve for x
    x = 28,417,988,221.49/171,428.42
  6. Step 6: Final answer
    x = 165,771.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.