Home / 149,261.04-205,969.77-84,731.58

Finding the Fourth Proportional to 149,261.04, 205,969.77 and 84,731.58

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Solution

The fourth proportional to 149,261.04, 205,969.77 and 84,731.58 is: 116,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,261.04 : 205,969.77 = 84,731.58 : x
  2. Step 2: Convert to fraction form
    149,261.04/205,969.77 = 84,731.58/x
  3. Step 3: Cross multiply
    149,261.04x = 205,969.77 × 84,731.58
  4. Step 4: Simplify right side
    149,261.04x = 17,452,144,044.34
  5. Step 5: Solve for x
    x = 17,452,144,044.34/149,261.04
  6. Step 6: Final answer
    x = 116,923.64

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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.