Home / 153,032.09-211,179.22-84,121.79

Finding the Fourth Proportional to 153,032.09, 211,179.22 and 84,121.79

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Solution

The fourth proportional to 153,032.09, 211,179.22 and 84,121.79 is: 116,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,032.09 : 211,179.22 = 84,121.79 : x
  2. Step 2: Convert to fraction form
    153,032.09/211,179.22 = 84,121.79/x
  3. Step 3: Cross multiply
    153,032.09x = 211,179.22 × 84,121.79
  4. Step 4: Simplify right side
    153,032.09x = 17,764,772,731.00
  5. Step 5: Solve for x
    x = 17,764,772,731.00/153,032.09
  6. Step 6: Final answer
    x = 116,085.28

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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.