Home / 105,496.68-145,584.90-57,749.16

Finding the Fourth Proportional to 105,496.68, 145,584.90 and 57,749.16

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Solution

The fourth proportional to 105,496.68, 145,584.90 and 57,749.16 is: 79,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,496.68 : 145,584.90 = 57,749.16 : x
  2. Step 2: Convert to fraction form
    105,496.68/145,584.90 = 57,749.16/x
  3. Step 3: Cross multiply
    105,496.68x = 145,584.90 × 57,749.16
  4. Step 4: Simplify right side
    105,496.68x = 8,407,405,683.68
  5. Step 5: Solve for x
    x = 8,407,405,683.68/105,496.68
  6. Step 6: Final answer
    x = 79,693.56

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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.