Home / 189,741.44-261,848.61-103,705.22

Finding the Fourth Proportional to 189,741.44, 261,848.61 and 103,705.22

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Solution

The fourth proportional to 189,741.44, 261,848.61 and 103,705.22 is: 143,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,741.44 : 261,848.61 = 103,705.22 : x
  2. Step 2: Convert to fraction form
    189,741.44/261,848.61 = 103,705.22/x
  3. Step 3: Cross multiply
    189,741.44x = 261,848.61 × 103,705.22
  4. Step 4: Simplify right side
    189,741.44x = 27,155,066,397.50
  5. Step 5: Solve for x
    x = 27,155,066,397.50/189,741.44
  6. Step 6: Final answer
    x = 143,116.16

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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.