Home / 72,153.12-108,235.56-22,233.24

Finding the Fourth Proportional to 72,153.12, 108,235.56 and 22,233.24

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Solution

The fourth proportional to 72,153.12, 108,235.56 and 22,233.24 is: 33,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,153.12 : 108,235.56 = 22,233.24 : x
  2. Step 2: Convert to fraction form
    72,153.12/108,235.56 = 22,233.24/x
  3. Step 3: Cross multiply
    72,153.12x = 108,235.56 × 22,233.24
  4. Step 4: Simplify right side
    72,153.12x = 2,406,427,182.01
  5. Step 5: Solve for x
    x = 2,406,427,182.01/72,153.12
  6. Step 6: Final answer
    x = 33,351.67

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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.