Home / 281,002.41-421,502.67-101,087.55

Finding the Fourth Proportional to 281,002.41, 421,502.67 and 101,087.55

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Solution

The fourth proportional to 281,002.41, 421,502.67 and 101,087.55 is: 151,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,002.41 : 421,502.67 = 101,087.55 : x
  2. Step 2: Convert to fraction form
    281,002.41/421,502.67 = 101,087.55/x
  3. Step 3: Cross multiply
    281,002.41x = 421,502.67 × 101,087.55
  4. Step 4: Simplify right side
    281,002.41x = 42,608,672,228.76
  5. Step 5: Solve for x
    x = 42,608,672,228.76/281,002.41
  6. Step 6: Final answer
    x = 151,630.99

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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.