Home / 180,821.07-249,532.65-100,246.51

Finding the Fourth Proportional to 180,821.07, 249,532.65 and 100,246.51

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Solution

The fourth proportional to 180,821.07, 249,532.65 and 100,246.51 is: 138,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,821.07 : 249,532.65 = 100,246.51 : x
  2. Step 2: Convert to fraction form
    180,821.07/249,532.65 = 100,246.51/x
  3. Step 3: Cross multiply
    180,821.07x = 249,532.65 × 100,246.51
  4. Step 4: Simplify right side
    180,821.07x = 25,014,777,293.55
  5. Step 5: Solve for x
    x = 25,014,777,293.55/180,821.07
  6. Step 6: Final answer
    x = 138,339.95

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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.