Home / 147,957.12-221,937.30-42,777

Finding the Fourth Proportional to 147,957.12, 221,937.30 and 42,777

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Solution

The fourth proportional to 147,957.12, 221,937.30 and 42,777 is: 64,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,957.12 : 221,937.30 = 42,777 : x
  2. Step 2: Convert to fraction form
    147,957.12/221,937.30 = 42,777/x
  3. Step 3: Cross multiply
    147,957.12x = 221,937.30 × 42,777
  4. Step 4: Simplify right side
    147,957.12x = 9,493,811,882.10
  5. Step 5: Solve for x
    x = 9,493,811,882.10/147,957.12
  6. Step 6: Final answer
    x = 64,165.97

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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.