Home / 218,923.75-302,114.82-118,321.75

Finding the Fourth Proportional to 218,923.75, 302,114.82 and 118,321.75

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Solution

The fourth proportional to 218,923.75, 302,114.82 and 118,321.75 is: 163,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,923.75 : 302,114.82 = 118,321.75 : x
  2. Step 2: Convert to fraction form
    218,923.75/302,114.82 = 118,321.75/x
  3. Step 3: Cross multiply
    218,923.75x = 302,114.82 × 118,321.75
  4. Step 4: Simplify right side
    218,923.75x = 35,746,754,203.34
  5. Step 5: Solve for x
    x = 35,746,754,203.34/218,923.75
  6. Step 6: Final answer
    x = 163,284.04

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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.