Home / 102,895.60-154,332.96-69,828.16

Finding the Fourth Proportional to 102,895.60, 154,332.96 and 69,828.16

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Solution

The fourth proportional to 102,895.60, 154,332.96 and 69,828.16 is: 104,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,895.60 : 154,332.96 = 69,828.16 : x
  2. Step 2: Convert to fraction form
    102,895.60/154,332.96 = 69,828.16/x
  3. Step 3: Cross multiply
    102,895.60x = 154,332.96 × 69,828.16
  4. Step 4: Simplify right side
    102,895.60x = 10,776,786,624.15
  5. Step 5: Solve for x
    x = 10,776,786,624.15/102,895.60
  6. Step 6: Final answer
    x = 104,735.16

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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.