Home / 180,777.75-249,466.41-100,206.51

Finding the Fourth Proportional to 180,777.75, 249,466.41 and 100,206.51

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Solution

The fourth proportional to 180,777.75, 249,466.41 and 100,206.51 is: 138,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,777.75 : 249,466.41 = 100,206.51 : x
  2. Step 2: Convert to fraction form
    180,777.75/249,466.41 = 100,206.51/x
  3. Step 3: Cross multiply
    180,777.75x = 249,466.41 × 100,206.51
  4. Step 4: Simplify right side
    180,777.75x = 24,998,158,308.33
  5. Step 5: Solve for x
    x = 24,998,158,308.33/180,777.75
  6. Step 6: Final answer
    x = 138,281.17

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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.