Home / 180,540.96-249,143.27-99,968.23

Finding the Fourth Proportional to 180,540.96, 249,143.27 and 99,968.23

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Solution

The fourth proportional to 180,540.96, 249,143.27 and 99,968.23 is: 137,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,540.96 : 249,143.27 = 99,968.23 : x
  2. Step 2: Convert to fraction form
    180,540.96/249,143.27 = 99,968.23/x
  3. Step 3: Cross multiply
    180,540.96x = 249,143.27 × 99,968.23
  4. Step 4: Simplify right side
    180,540.96x = 24,906,411,718.31
  5. Step 5: Solve for x
    x = 24,906,411,718.31/180,540.96
  6. Step 6: Final answer
    x = 137,954.36

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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.