Home / 213,089.48-294,174.03-155,664.32

Finding the Fourth Proportional to 213,089.48, 294,174.03 and 155,664.32

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Solution

The fourth proportional to 213,089.48, 294,174.03 and 155,664.32 is: 214,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,089.48 : 294,174.03 = 155,664.32 : x
  2. Step 2: Convert to fraction form
    213,089.48/294,174.03 = 155,664.32/x
  3. Step 3: Cross multiply
    213,089.48x = 294,174.03 × 155,664.32
  4. Step 4: Simplify right side
    213,089.48x = 45,792,400,341.61
  5. Step 5: Solve for x
    x = 45,792,400,341.61/213,089.48
  6. Step 6: Final answer
    x = 214,897.52

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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.