Home / 180,701.09-249,363.36-104,220.33

Finding the Fourth Proportional to 180,701.09, 249,363.36 and 104,220.33

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Solution

The fourth proportional to 180,701.09, 249,363.36 and 104,220.33 is: 143,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,701.09 : 249,363.36 = 104,220.33 : x
  2. Step 2: Convert to fraction form
    180,701.09/249,363.36 = 104,220.33/x
  3. Step 3: Cross multiply
    180,701.09x = 249,363.36 × 104,220.33
  4. Step 4: Simplify right side
    180,701.09x = 25,988,731,669.11
  5. Step 5: Solve for x
    x = 25,988,731,669.11/180,701.09
  6. Step 6: Final answer
    x = 143,821.67

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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.