Home / 147,964.68-221,957.82-42,784.20

Finding the Fourth Proportional to 147,964.68, 221,957.82 and 42,784.20

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Solution

The fourth proportional to 147,964.68, 221,957.82 and 42,784.20 is: 64,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,964.68 : 221,957.82 = 42,784.20 : x
  2. Step 2: Convert to fraction form
    147,964.68/221,957.82 = 42,784.20/x
  3. Step 3: Cross multiply
    147,964.68x = 221,957.82 × 42,784.20
  4. Step 4: Simplify right side
    147,964.68x = 9,496,287,762.44
  5. Step 5: Solve for x
    x = 9,496,287,762.44/147,964.68
  6. Step 6: Final answer
    x = 64,179.42

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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.