Home / 170,009.18-234,608.15-98,390.40

Finding the Fourth Proportional to 170,009.18, 234,608.15 and 98,390.40

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Solution

The fourth proportional to 170,009.18, 234,608.15 and 98,390.40 is: 135,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,009.18 : 234,608.15 = 98,390.40 : x
  2. Step 2: Convert to fraction form
    170,009.18/234,608.15 = 98,390.40/x
  3. Step 3: Cross multiply
    170,009.18x = 234,608.15 × 98,390.40
  4. Step 4: Simplify right side
    170,009.18x = 23,083,188,534.51
  5. Step 5: Solve for x
    x = 23,083,188,534.51/170,009.18
  6. Step 6: Final answer
    x = 135,776.13

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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.