Home / 126,022.04-189,032.98-118,323.80

Finding the Fourth Proportional to 126,022.04, 189,032.98 and 118,323.80

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Solution

The fourth proportional to 126,022.04, 189,032.98 and 118,323.80 is: 177,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,022.04 : 189,032.98 = 118,323.80 : x
  2. Step 2: Convert to fraction form
    126,022.04/189,032.98 = 118,323.80/x
  3. Step 3: Cross multiply
    126,022.04x = 189,032.98 × 118,323.80
  4. Step 4: Simplify right side
    126,022.04x = 22,367,100,518.92
  5. Step 5: Solve for x
    x = 22,367,100,518.92/126,022.04
  6. Step 6: Final answer
    x = 177,485.62

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1.5x scale

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.