Home / 211,733.09-317,551.19-126,368.05

Finding the Fourth Proportional to 211,733.09, 317,551.19 and 126,368.05

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Solution

The fourth proportional to 211,733.09, 317,551.19 and 126,368.05 is: 189,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,733.09 : 317,551.19 = 126,368.05 : x
  2. Step 2: Convert to fraction form
    211,733.09/317,551.19 = 126,368.05/x
  3. Step 3: Cross multiply
    211,733.09x = 317,551.19 × 126,368.05
  4. Step 4: Simplify right side
    211,733.09x = 40,128,323,825.17
  5. Step 5: Solve for x
    x = 40,128,323,825.17/211,733.09
  6. Step 6: Final answer
    x = 189,523.16

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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.