Home / 211,577.04-291,968.28-120,928.32

Finding the Fourth Proportional to 211,577.04, 291,968.28 and 120,928.32

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Solution

The fourth proportional to 211,577.04, 291,968.28 and 120,928.32 is: 166,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,577.04 : 291,968.28 = 120,928.32 : x
  2. Step 2: Convert to fraction form
    211,577.04/291,968.28 = 120,928.32/x
  3. Step 3: Cross multiply
    211,577.04x = 291,968.28 × 120,928.32
  4. Step 4: Simplify right side
    211,577.04x = 35,307,233,593.69
  5. Step 5: Solve for x
    x = 35,307,233,593.69/211,577.04
  6. Step 6: Final answer
    x = 166,876.49

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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.