Home / 170,291.16-235,052.69-98,703.36

Finding the Fourth Proportional to 170,291.16, 235,052.69 and 98,703.36

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Solution

The fourth proportional to 170,291.16, 235,052.69 and 98,703.36 is: 136,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,291.16 : 235,052.69 = 98,703.36 : x
  2. Step 2: Convert to fraction form
    170,291.16/235,052.69 = 98,703.36/x
  3. Step 3: Cross multiply
    170,291.16x = 235,052.69 × 98,703.36
  4. Step 4: Simplify right side
    170,291.16x = 23,200,489,786.52
  5. Step 5: Solve for x
    x = 23,200,489,786.52/170,291.16
  6. Step 6: Final answer
    x = 136,240.13

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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.