Home / 158,648.56-219,020.29-122,537.07

Finding the Fourth Proportional to 158,648.56, 219,020.29 and 122,537.07

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Solution

The fourth proportional to 158,648.56, 219,020.29 and 122,537.07 is: 169,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,648.56 : 219,020.29 = 122,537.07 : x
  2. Step 2: Convert to fraction form
    158,648.56/219,020.29 = 122,537.07/x
  3. Step 3: Cross multiply
    158,648.56x = 219,020.29 × 122,537.07
  4. Step 4: Simplify right side
    158,648.56x = 26,838,104,300.81
  5. Step 5: Solve for x
    x = 26,838,104,300.81/158,648.56
  6. Step 6: Final answer
    x = 169,167.02

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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.