Home / 213,398.20-294,397.02-128,466.06

Finding the Fourth Proportional to 213,398.20, 294,397.02 and 128,466.06

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Solution

The fourth proportional to 213,398.20, 294,397.02 and 128,466.06 is: 177,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,398.20 : 294,397.02 = 128,466.06 : x
  2. Step 2: Convert to fraction form
    213,398.20/294,397.02 = 128,466.06/x
  3. Step 3: Cross multiply
    213,398.20x = 294,397.02 × 128,466.06
  4. Step 4: Simplify right side
    213,398.20x = 37,820,025,235.14
  5. Step 5: Solve for x
    x = 37,820,025,235.14/213,398.20
  6. Step 6: Final answer
    x = 177,227.48

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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.