Home / 103,553.36-155,096.68-72,527.12

Finding the Fourth Proportional to 103,553.36, 155,096.68 and 72,527.12

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Solution

The fourth proportional to 103,553.36, 155,096.68 and 72,527.12 is: 108,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,553.36 : 155,096.68 = 72,527.12 : x
  2. Step 2: Convert to fraction form
    103,553.36/155,096.68 = 72,527.12/x
  3. Step 3: Cross multiply
    103,553.36x = 155,096.68 × 72,527.12
  4. Step 4: Simplify right side
    103,553.36x = 11,248,715,521.96
  5. Step 5: Solve for x
    x = 11,248,715,521.96/103,553.36
  6. Step 6: Final answer
    x = 108,627.24

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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.