Home / 101,520.55-152,251.26-30,440.35

Finding the Fourth Proportional to 101,520.55, 152,251.26 and 30,440.35

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Solution

The fourth proportional to 101,520.55, 152,251.26 and 30,440.35 is: 45,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,520.55 : 152,251.26 = 30,440.35 : x
  2. Step 2: Convert to fraction form
    101,520.55/152,251.26 = 30,440.35/x
  3. Step 3: Cross multiply
    101,520.55x = 152,251.26 × 30,440.35
  4. Step 4: Simplify right side
    101,520.55x = 4,634,581,642.34
  5. Step 5: Solve for x
    x = 4,634,581,642.34/101,520.55
  6. Step 6: Final answer
    x = 45,651.66

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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.