Home / 147,583.80-221,346.90-47,719.80

Finding the Fourth Proportional to 147,583.80, 221,346.90 and 47,719.80

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Solution

The fourth proportional to 147,583.80, 221,346.90 and 47,719.80 is: 71,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,583.80 : 221,346.90 = 47,719.80 : x
  2. Step 2: Convert to fraction form
    147,583.80/221,346.90 = 47,719.80/x
  3. Step 3: Cross multiply
    147,583.80x = 221,346.90 × 47,719.80
  4. Step 4: Simplify right side
    147,583.80x = 10,562,629,798.62
  5. Step 5: Solve for x
    x = 10,562,629,798.62/147,583.80
  6. Step 6: Final answer
    x = 71,570.39

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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.