Home / 180,701.25-249,371.33-105,254.61

Finding the Fourth Proportional to 180,701.25, 249,371.33 and 105,254.61

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Solution

The fourth proportional to 180,701.25, 249,371.33 and 105,254.61 is: 145,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,701.25 : 249,371.33 = 105,254.61 : x
  2. Step 2: Convert to fraction form
    180,701.25/249,371.33 = 105,254.61/x
  3. Step 3: Cross multiply
    180,701.25x = 249,371.33 × 105,254.61
  4. Step 4: Simplify right side
    180,701.25x = 26,247,481,558.06
  5. Step 5: Solve for x
    x = 26,247,481,558.06/180,701.25
  6. Step 6: Final answer
    x = 145,253.46

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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.