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Finding the Fourth Proportional to 162,497.72, 243,831.59 and 66,506.19

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Solution

The fourth proportional to 162,497.72, 243,831.59 and 66,506.19 is: 99,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,497.72 : 243,831.59 = 66,506.19 : x
  2. Step 2: Convert to fraction form
    162,497.72/243,831.59 = 66,506.19/x
  3. Step 3: Cross multiply
    162,497.72x = 243,831.59 × 66,506.19
  4. Step 4: Simplify right side
    162,497.72x = 16,216,309,720.01
  5. Step 5: Solve for x
    x = 16,216,309,720.01/162,497.72
  6. Step 6: Final answer
    x = 99,794.07

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1.5x scale

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.