Home / 213,089.03-294,173.42-155,663.87

Finding the Fourth Proportional to 213,089.03, 294,173.42 and 155,663.87

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Solution

The fourth proportional to 213,089.03, 294,173.42 and 155,663.87 is: 214,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,089.03 : 294,173.42 = 155,663.87 : x
  2. Step 2: Convert to fraction form
    213,089.03/294,173.42 = 155,663.87/x
  3. Step 3: Cross multiply
    213,089.03x = 294,173.42 × 155,663.87
  4. Step 4: Simplify right side
    213,089.03x = 45,792,173,008.34
  5. Step 5: Solve for x
    x = 45,792,173,008.34/213,089.03
  6. Step 6: Final answer
    x = 214,896.90

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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.