Home / 249,928.96-374,804.88-81,403.60

Finding the Fourth Proportional to 249,928.96, 374,804.88 and 81,403.60

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Solution

The fourth proportional to 249,928.96, 374,804.88 and 81,403.60 is: 122,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,928.96 : 374,804.88 = 81,403.60 : x
  2. Step 2: Convert to fraction form
    249,928.96/374,804.88 = 81,403.60/x
  3. Step 3: Cross multiply
    249,928.96x = 374,804.88 × 81,403.60
  4. Step 4: Simplify right side
    249,928.96x = 30,510,466,529.57
  5. Step 5: Solve for x
    x = 30,510,466,529.57/249,928.96
  6. Step 6: Final answer
    x = 122,076.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.