Home / 180,918.52-249,504.21-112,941.76

Finding the Fourth Proportional to 180,918.52, 249,504.21 and 112,941.76

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Solution

The fourth proportional to 180,918.52, 249,504.21 and 112,941.76 is: 155,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,918.52 : 249,504.21 = 112,941.76 : x
  2. Step 2: Convert to fraction form
    180,918.52/249,504.21 = 112,941.76/x
  3. Step 3: Cross multiply
    180,918.52x = 249,504.21 × 112,941.76
  4. Step 4: Simplify right side
    180,918.52x = 28,179,444,604.81
  5. Step 5: Solve for x
    x = 28,179,444,604.81/180,918.52
  6. Step 6: Final answer
    x = 155,757.66

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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.