Home / 213,555.09-294,691.59-118,048.80

Finding the Fourth Proportional to 213,555.09, 294,691.59 and 118,048.80

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Solution

The fourth proportional to 213,555.09, 294,691.59 and 118,048.80 is: 162,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,555.09 : 294,691.59 = 118,048.80 : x
  2. Step 2: Convert to fraction form
    213,555.09/294,691.59 = 118,048.80/x
  3. Step 3: Cross multiply
    213,555.09x = 294,691.59 × 118,048.80
  4. Step 4: Simplify right side
    213,555.09x = 34,787,988,569.59
  5. Step 5: Solve for x
    x = 34,787,988,569.59/213,555.09
  6. Step 6: Final answer
    x = 162,899.37

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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.