Home / 162,315.06-243,463.48-43,977.72

Finding the Fourth Proportional to 162,315.06, 243,463.48 and 43,977.72

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Solution

The fourth proportional to 162,315.06, 243,463.48 and 43,977.72 is: 65,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,315.06 : 243,463.48 = 43,977.72 : x
  2. Step 2: Convert to fraction form
    162,315.06/243,463.48 = 43,977.72/x
  3. Step 3: Cross multiply
    162,315.06x = 243,463.48 × 43,977.72
  4. Step 4: Simplify right side
    162,315.06x = 10,706,968,753.67
  5. Step 5: Solve for x
    x = 10,706,968,753.67/162,315.06
  6. Step 6: Final answer
    x = 65,964.11

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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.