Home / 180,591.72-249,219.18-104,109.39

Finding the Fourth Proportional to 180,591.72, 249,219.18 and 104,109.39

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Solution

The fourth proportional to 180,591.72, 249,219.18 and 104,109.39 is: 143,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,591.72 : 249,219.18 = 104,109.39 : x
  2. Step 2: Convert to fraction form
    180,591.72/249,219.18 = 104,109.39/x
  3. Step 3: Cross multiply
    180,591.72x = 249,219.18 × 104,109.39
  4. Step 4: Simplify right side
    180,591.72x = 25,946,056,806.10
  5. Step 5: Solve for x
    x = 25,946,056,806.10/180,591.72
  6. Step 6: Final answer
    x = 143,672.46

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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.