Home / 147,835.40-221,753.10-72,967.10

Finding the Fourth Proportional to 147,835.40, 221,753.10 and 72,967.10

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Solution

The fourth proportional to 147,835.40, 221,753.10 and 72,967.10 is: 109,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,835.40 : 221,753.10 = 72,967.10 : x
  2. Step 2: Convert to fraction form
    147,835.40/221,753.10 = 72,967.10/x
  3. Step 3: Cross multiply
    147,835.40x = 221,753.10 × 72,967.10
  4. Step 4: Simplify right side
    147,835.40x = 16,180,680,623.01
  5. Step 5: Solve for x
    x = 16,180,680,623.01/147,835.40
  6. Step 6: Final answer
    x = 109,450.65

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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.