Home / 213,538.08-294,660-118,029.36

Finding the Fourth Proportional to 213,538.08, 294,660 and 118,029.36

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Solution

The fourth proportional to 213,538.08, 294,660 and 118,029.36 is: 162,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,538.08 : 294,660 = 118,029.36 : x
  2. Step 2: Convert to fraction form
    213,538.08/294,660 = 118,029.36/x
  3. Step 3: Cross multiply
    213,538.08x = 294,660 × 118,029.36
  4. Step 4: Simplify right side
    213,538.08x = 34,778,531,217.60
  5. Step 5: Solve for x
    x = 34,778,531,217.60/213,538.08
  6. Step 6: Final answer
    x = 162,868.05

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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.