Home / 180,919.89-249,506.06-112,943.17

Finding the Fourth Proportional to 180,919.89, 249,506.06 and 112,943.17

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Solution

The fourth proportional to 180,919.89, 249,506.06 and 112,943.17 is: 155,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,919.89 : 249,506.06 = 112,943.17 : x
  2. Step 2: Convert to fraction form
    180,919.89/249,506.06 = 112,943.17/x
  3. Step 3: Cross multiply
    180,919.89x = 249,506.06 × 112,943.17
  4. Step 4: Simplify right side
    180,919.89x = 28,180,005,097.78
  5. Step 5: Solve for x
    x = 28,180,005,097.78/180,919.89
  6. Step 6: Final answer
    x = 155,759.57

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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.