Home / 161,077.21-241,615.51-89,987.56

Finding the Fourth Proportional to 161,077.21, 241,615.51 and 89,987.56

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Solution

The fourth proportional to 161,077.21, 241,615.51 and 89,987.56 is: 134,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,077.21 : 241,615.51 = 89,987.56 : x
  2. Step 2: Convert to fraction form
    161,077.21/241,615.51 = 89,987.56/x
  3. Step 3: Cross multiply
    161,077.21x = 241,615.51 × 89,987.56
  4. Step 4: Simplify right side
    161,077.21x = 21,742,389,374.05
  5. Step 5: Solve for x
    x = 21,742,389,374.05/161,077.21
  6. Step 6: Final answer
    x = 134,981.17

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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.