Home / 170,403.76-235,157.40-98,825.35

Finding the Fourth Proportional to 170,403.76, 235,157.40 and 98,825.35

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Solution

The fourth proportional to 170,403.76, 235,157.40 and 98,825.35 is: 136,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,403.76 : 235,157.40 = 98,825.35 : x
  2. Step 2: Convert to fraction form
    170,403.76/235,157.40 = 98,825.35/x
  3. Step 3: Cross multiply
    170,403.76x = 235,157.40 × 98,825.35
  4. Step 4: Simplify right side
    170,403.76x = 23,239,512,360.09
  5. Step 5: Solve for x
    x = 23,239,512,360.09/170,403.76
  6. Step 6: Final answer
    x = 136,379.11

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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.