Home / 249,110.37-343,769.09-135,931.17

Finding the Fourth Proportional to 249,110.37, 343,769.09 and 135,931.17

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Solution

The fourth proportional to 249,110.37, 343,769.09 and 135,931.17 is: 187,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,110.37 : 343,769.09 = 135,931.17 : x
  2. Step 2: Convert to fraction form
    249,110.37/343,769.09 = 135,931.17/x
  3. Step 3: Cross multiply
    249,110.37x = 343,769.09 × 135,931.17
  4. Step 4: Simplify right side
    249,110.37x = 46,728,933,933.88
  5. Step 5: Solve for x
    x = 46,728,933,933.88/249,110.37
  6. Step 6: Final answer
    x = 187,583.25

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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.