Home / 213,640.47-294,804.06-118,145.12

Finding the Fourth Proportional to 213,640.47, 294,804.06 and 118,145.12

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Solution

The fourth proportional to 213,640.47, 294,804.06 and 118,145.12 is: 163,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,640.47 : 294,804.06 = 118,145.12 : x
  2. Step 2: Convert to fraction form
    213,640.47/294,804.06 = 118,145.12/x
  3. Step 3: Cross multiply
    213,640.47x = 294,804.06 × 118,145.12
  4. Step 4: Simplify right side
    213,640.47x = 34,829,659,128.12
  5. Step 5: Solve for x
    x = 34,829,659,128.12/213,640.47
  6. Step 6: Final answer
    x = 163,029.31

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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.