Home / 105,465.92-145,584.96-69,181.16

Finding the Fourth Proportional to 105,465.92, 145,584.96 and 69,181.16

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Solution

The fourth proportional to 105,465.92, 145,584.96 and 69,181.16 is: 95,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,465.92 : 145,584.96 = 69,181.16 : x
  2. Step 2: Convert to fraction form
    105,465.92/145,584.96 = 69,181.16/x
  3. Step 3: Cross multiply
    105,465.92x = 145,584.96 × 69,181.16
  4. Step 4: Simplify right side
    105,465.92x = 10,071,736,411.35
  5. Step 5: Solve for x
    x = 10,071,736,411.35/105,465.92
  6. Step 6: Final answer
    x = 95,497.54

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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.