Home / 211,571.04-291,968.03-120,928.95

Finding the Fourth Proportional to 211,571.04, 291,968.03 and 120,928.95

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Solution

The fourth proportional to 211,571.04, 291,968.03 and 120,928.95 is: 166,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,571.04 : 291,968.03 = 120,928.95 : x
  2. Step 2: Convert to fraction form
    211,571.04/291,968.03 = 120,928.95/x
  3. Step 3: Cross multiply
    211,571.04x = 291,968.03 × 120,928.95
  4. Step 4: Simplify right side
    211,571.04x = 35,307,387,603.79
  5. Step 5: Solve for x
    x = 35,307,387,603.79/211,571.04
  6. Step 6: Final answer
    x = 166,881.95

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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.