Home / 170,984.79-235,971.63-98,409.60

Finding the Fourth Proportional to 170,984.79, 235,971.63 and 98,409.60

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Solution

The fourth proportional to 170,984.79, 235,971.63 and 98,409.60 is: 135,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,984.79 : 235,971.63 = 98,409.60 : x
  2. Step 2: Convert to fraction form
    170,984.79/235,971.63 = 98,409.60/x
  3. Step 3: Cross multiply
    170,984.79x = 235,971.63 × 98,409.60
  4. Step 4: Simplify right side
    170,984.79x = 23,221,873,719.65
  5. Step 5: Solve for x
    x = 23,221,873,719.65/170,984.79
  6. Step 6: Final answer
    x = 135,812.51

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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.