Home / 113,515.64-170,096.88-43,356.68

Finding the Fourth Proportional to 113,515.64, 170,096.88 and 43,356.68

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Solution

The fourth proportional to 113,515.64, 170,096.88 and 43,356.68 is: 64,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,515.64 : 170,096.88 = 43,356.68 : x
  2. Step 2: Convert to fraction form
    113,515.64/170,096.88 = 43,356.68/x
  3. Step 3: Cross multiply
    113,515.64x = 170,096.88 × 43,356.68
  4. Step 4: Simplify right side
    113,515.64x = 7,374,835,995.16
  5. Step 5: Solve for x
    x = 7,374,835,995.16/113,515.64
  6. Step 6: Final answer
    x = 64,967.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.