Home / 147,366.06-221,082.30-53,871

Finding the Fourth Proportional to 147,366.06, 221,082.30 and 53,871

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Solution

The fourth proportional to 147,366.06, 221,082.30 and 53,871 is: 80,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,366.06 : 221,082.30 = 53,871 : x
  2. Step 2: Convert to fraction form
    147,366.06/221,082.30 = 53,871/x
  3. Step 3: Cross multiply
    147,366.06x = 221,082.30 × 53,871
  4. Step 4: Simplify right side
    147,366.06x = 11,909,924,583.30
  5. Step 5: Solve for x
    x = 11,909,924,583.30/147,366.06
  6. Step 6: Final answer
    x = 80,818.64

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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.