Home / 145,096.85-200,223.89-80,562.76

Finding the Fourth Proportional to 145,096.85, 200,223.89 and 80,562.76

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Solution

The fourth proportional to 145,096.85, 200,223.89 and 80,562.76 is: 111,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,096.85 : 200,223.89 = 80,562.76 : x
  2. Step 2: Convert to fraction form
    145,096.85/200,223.89 = 80,562.76/x
  3. Step 3: Cross multiply
    145,096.85x = 200,223.89 × 80,562.76
  4. Step 4: Simplify right side
    145,096.85x = 16,130,588,292.96
  5. Step 5: Solve for x
    x = 16,130,588,292.96/145,096.85
  6. Step 6: Final answer
    x = 111,171.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.