Home / 162,665.10-243,990.47-44,336.43

Finding the Fourth Proportional to 162,665.10, 243,990.47 and 44,336.43

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Solution

The fourth proportional to 162,665.10, 243,990.47 and 44,336.43 is: 66,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,665.10 : 243,990.47 = 44,336.43 : x
  2. Step 2: Convert to fraction form
    162,665.10/243,990.47 = 44,336.43/x
  3. Step 3: Cross multiply
    162,665.10x = 243,990.47 × 44,336.43
  4. Step 4: Simplify right side
    162,665.10x = 10,817,666,172.14
  5. Step 5: Solve for x
    x = 10,817,666,172.14/162,665.10
  6. Step 6: Final answer
    x = 66,502.69

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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.