Home / 103,150.13-154,527.54-69,812.69

Finding the Fourth Proportional to 103,150.13, 154,527.54 and 69,812.69

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Solution

The fourth proportional to 103,150.13, 154,527.54 and 69,812.69 is: 104,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,150.13 : 154,527.54 = 69,812.69 : x
  2. Step 2: Convert to fraction form
    103,150.13/154,527.54 = 69,812.69/x
  3. Step 3: Cross multiply
    103,150.13x = 154,527.54 × 69,812.69
  4. Step 4: Simplify right side
    103,150.13x = 10,787,982,473.84
  5. Step 5: Solve for x
    x = 10,787,982,473.84/103,150.13
  6. Step 6: Final answer
    x = 104,585.26

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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.