Home / 180,143.04-270,214.56-69,360.96

Finding the Fourth Proportional to 180,143.04, 270,214.56 and 69,360.96

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Solution

The fourth proportional to 180,143.04, 270,214.56 and 69,360.96 is: 104,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,143.04 : 270,214.56 = 69,360.96 : x
  2. Step 2: Convert to fraction form
    180,143.04/270,214.56 = 69,360.96/x
  3. Step 3: Cross multiply
    180,143.04x = 270,214.56 × 69,360.96
  4. Step 4: Simplify right side
    180,143.04x = 18,742,341,287.58
  5. Step 5: Solve for x
    x = 18,742,341,287.58/180,143.04
  6. Step 6: Final answer
    x = 104,041.44

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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.