Home / 249,728.56-374,417.60-91,936.80

Finding the Fourth Proportional to 249,728.56, 374,417.60 and 91,936.80

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Solution

The fourth proportional to 249,728.56, 374,417.60 and 91,936.80 is: 137,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,728.56 : 374,417.60 = 91,936.80 : x
  2. Step 2: Convert to fraction form
    249,728.56/374,417.60 = 91,936.80/x
  3. Step 3: Cross multiply
    249,728.56x = 374,417.60 × 91,936.80
  4. Step 4: Simplify right side
    249,728.56x = 34,422,756,007.68
  5. Step 5: Solve for x
    x = 34,422,756,007.68/249,728.56
  6. Step 6: Final answer
    x = 137,840.69

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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.