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Finding the Fourth Proportional to 180,969.08, 249,709.17 and 103,443.57

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Solution

The fourth proportional to 180,969.08, 249,709.17 and 103,443.57 is: 142,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,969.08 : 249,709.17 = 103,443.57 : x
  2. Step 2: Convert to fraction form
    180,969.08/249,709.17 = 103,443.57/x
  3. Step 3: Cross multiply
    180,969.08x = 249,709.17 × 103,443.57
  4. Step 4: Simplify right side
    180,969.08x = 25,830,808,006.54
  5. Step 5: Solve for x
    x = 25,830,808,006.54/180,969.08
  6. Step 6: Final answer
    x = 142,736.03

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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.