Home / 213,113.04-293,968.22-155,682.12

Finding the Fourth Proportional to 213,113.04, 293,968.22 and 155,682.12

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Solution

The fourth proportional to 213,113.04, 293,968.22 and 155,682.12 is: 214,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,113.04 : 293,968.22 = 155,682.12 : x
  2. Step 2: Convert to fraction form
    213,113.04/293,968.22 = 155,682.12/x
  3. Step 3: Cross multiply
    213,113.04x = 293,968.22 × 155,682.12
  4. Step 4: Simplify right side
    213,113.04x = 45,765,595,702.23
  5. Step 5: Solve for x
    x = 45,765,595,702.23/213,113.04
  6. Step 6: Final answer
    x = 214,747.98

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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.