Home / 115,905.44-159,792.46-99,090.32

Finding the Fourth Proportional to 115,905.44, 159,792.46 and 99,090.32

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Solution

The fourth proportional to 115,905.44, 159,792.46 and 99,090.32 is: 136,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,905.44 : 159,792.46 = 99,090.32 : x
  2. Step 2: Convert to fraction form
    115,905.44/159,792.46 = 99,090.32/x
  3. Step 3: Cross multiply
    115,905.44x = 159,792.46 × 99,090.32
  4. Step 4: Simplify right side
    115,905.44x = 15,833,885,994.99
  5. Step 5: Solve for x
    x = 15,833,885,994.99/115,905.44
  6. Step 6: Final answer
    x = 136,610.38

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1.5x scale

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.