Home / 213,386.13-294,469.02-117,899.28

Finding the Fourth Proportional to 213,386.13, 294,469.02 and 117,899.28

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Solution

The fourth proportional to 213,386.13, 294,469.02 and 117,899.28 is: 162,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,386.13 : 294,469.02 = 117,899.28 : x
  2. Step 2: Convert to fraction form
    213,386.13/294,469.02 = 117,899.28/x
  3. Step 3: Cross multiply
    213,386.13x = 294,469.02 × 117,899.28
  4. Step 4: Simplify right side
    213,386.13x = 34,717,685,440.31
  5. Step 5: Solve for x
    x = 34,717,685,440.31/213,386.13
  6. Step 6: Final answer
    x = 162,698.89

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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.