Home / 101,521.05-152,252.01-30,440.85

Finding the Fourth Proportional to 101,521.05, 152,252.01 and 30,440.85

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Solution

The fourth proportional to 101,521.05, 152,252.01 and 30,440.85 is: 45,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,521.05 : 152,252.01 = 30,440.85 : x
  2. Step 2: Convert to fraction form
    101,521.05/152,252.01 = 30,440.85/x
  3. Step 3: Cross multiply
    101,521.05x = 152,252.01 × 30,440.85
  4. Step 4: Simplify right side
    101,521.05x = 4,634,680,598.61
  5. Step 5: Solve for x
    x = 4,634,680,598.61/101,521.05
  6. Step 6: Final answer
    x = 45,652.41

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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.