Home / 249,256.06-343,971.60-136,078.81

Finding the Fourth Proportional to 249,256.06, 343,971.60 and 136,078.81

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Solution

The fourth proportional to 249,256.06, 343,971.60 and 136,078.81 is: 187,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,256.06 : 343,971.60 = 136,078.81 : x
  2. Step 2: Convert to fraction form
    249,256.06/343,971.60 = 136,078.81/x
  3. Step 3: Cross multiply
    249,256.06x = 343,971.60 × 136,078.81
  4. Step 4: Simplify right side
    249,256.06x = 46,807,246,001.80
  5. Step 5: Solve for x
    x = 46,807,246,001.80/249,256.06
  6. Step 6: Final answer
    x = 187,787.80

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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.