Home / 152,301.75-210,147.24-98,579.31

Finding the Fourth Proportional to 152,301.75, 210,147.24 and 98,579.31

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Solution

The fourth proportional to 152,301.75, 210,147.24 and 98,579.31 is: 136,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,301.75 : 210,147.24 = 98,579.31 : x
  2. Step 2: Convert to fraction form
    152,301.75/210,147.24 = 98,579.31/x
  3. Step 3: Cross multiply
    152,301.75x = 210,147.24 × 98,579.31
  4. Step 4: Simplify right side
    152,301.75x = 20,716,169,917.60
  5. Step 5: Solve for x
    x = 20,716,169,917.60/152,301.75
  6. Step 6: Final answer
    x = 136,020.56

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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.