Home / 180,986.70-249,787.47-104,490.51

Finding the Fourth Proportional to 180,986.70, 249,787.47 and 104,490.51

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Solution

The fourth proportional to 180,986.70, 249,787.47 and 104,490.51 is: 144,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,986.70 : 249,787.47 = 104,490.51 : x
  2. Step 2: Convert to fraction form
    180,986.70/249,787.47 = 104,490.51/x
  3. Step 3: Cross multiply
    180,986.70x = 249,787.47 × 104,490.51
  4. Step 4: Simplify right side
    180,986.70x = 26,100,420,131.91
  5. Step 5: Solve for x
    x = 26,100,420,131.91/180,986.70
  6. Step 6: Final answer
    x = 144,211.81

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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.