Home / 180,981.14-249,765.78-104,503.46

Finding the Fourth Proportional to 180,981.14, 249,765.78 and 104,503.46

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Solution

The fourth proportional to 180,981.14, 249,765.78 and 104,503.46 is: 144,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,981.14 : 249,765.78 = 104,503.46 : x
  2. Step 2: Convert to fraction form
    180,981.14/249,765.78 = 104,503.46/x
  3. Step 3: Cross multiply
    180,981.14x = 249,765.78 × 104,503.46
  4. Step 4: Simplify right side
    180,981.14x = 26,101,388,199.60
  5. Step 5: Solve for x
    x = 26,101,388,199.60/180,981.14
  6. Step 6: Final answer
    x = 144,221.59

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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.