Home / 180,431.85-249,022.31-103,936.07

Finding the Fourth Proportional to 180,431.85, 249,022.31 and 103,936.07

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Solution

The fourth proportional to 180,431.85, 249,022.31 and 103,936.07 is: 143,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,431.85 : 249,022.31 = 103,936.07 : x
  2. Step 2: Convert to fraction form
    180,431.85/249,022.31 = 103,936.07/x
  3. Step 3: Cross multiply
    180,431.85x = 249,022.31 × 103,936.07
  4. Step 4: Simplify right side
    180,431.85x = 25,882,398,478.93
  5. Step 5: Solve for x
    x = 25,882,398,478.93/180,431.85
  6. Step 6: Final answer
    x = 143,446.95

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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.