Home / 147,974.79-221,964.23-48,135.51

Finding the Fourth Proportional to 147,974.79, 221,964.23 and 48,135.51

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Solution

The fourth proportional to 147,974.79, 221,964.23 and 48,135.51 is: 72,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,974.79 : 221,964.23 = 48,135.51 : x
  2. Step 2: Convert to fraction form
    147,974.79/221,964.23 = 48,135.51/x
  3. Step 3: Cross multiply
    147,974.79x = 221,964.23 × 48,135.51
  4. Step 4: Simplify right side
    147,974.79x = 10,684,360,302.99
  5. Step 5: Solve for x
    x = 10,684,360,302.99/147,974.79
  6. Step 6: Final answer
    x = 72,203.92

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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.