Home / 147,622.10-221,465.55-47,765.30

Finding the Fourth Proportional to 147,622.10, 221,465.55 and 47,765.30

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Solution

The fourth proportional to 147,622.10, 221,465.55 and 47,765.30 is: 71,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.10 : 221,465.55 = 47,765.30 : x
  2. Step 2: Convert to fraction form
    147,622.10/221,465.55 = 47,765.30/x
  3. Step 3: Cross multiply
    147,622.10x = 221,465.55 × 47,765.30
  4. Step 4: Simplify right side
    147,622.10x = 10,578,368,435.42
  5. Step 5: Solve for x
    x = 10,578,368,435.42/147,622.10
  6. Step 6: Final answer
    x = 71,658.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.