Home / 118,212.68-163,133.44-75,771.18

Finding the Fourth Proportional to 118,212.68, 163,133.44 and 75,771.18

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Solution

The fourth proportional to 118,212.68, 163,133.44 and 75,771.18 is: 104,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,212.68 : 163,133.44 = 75,771.18 : x
  2. Step 2: Convert to fraction form
    118,212.68/163,133.44 = 75,771.18/x
  3. Step 3: Cross multiply
    118,212.68x = 163,133.44 × 75,771.18
  4. Step 4: Simplify right side
    118,212.68x = 12,360,813,246.26
  5. Step 5: Solve for x
    x = 12,360,813,246.26/118,212.68
  6. Step 6: Final answer
    x = 104,564.19

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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.