Home / 162,142.70-243,214.86-73,292.18

Finding the Fourth Proportional to 162,142.70, 243,214.86 and 73,292.18

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Solution

The fourth proportional to 162,142.70, 243,214.86 and 73,292.18 is: 109,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,142.70 : 243,214.86 = 73,292.18 : x
  2. Step 2: Convert to fraction form
    162,142.70/243,214.86 = 73,292.18/x
  3. Step 3: Cross multiply
    162,142.70x = 243,214.86 × 73,292.18
  4. Step 4: Simplify right side
    162,142.70x = 17,825,747,297.79
  5. Step 5: Solve for x
    x = 17,825,747,297.79/162,142.70
  6. Step 6: Final answer
    x = 109,938.64

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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.