Home / 249,921.51-344,890.65-135,199.88

Finding the Fourth Proportional to 249,921.51, 344,890.65 and 135,199.88

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Solution

The fourth proportional to 249,921.51, 344,890.65 and 135,199.88 is: 186,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,921.51 : 344,890.65 = 135,199.88 : x
  2. Step 2: Convert to fraction form
    249,921.51/344,890.65 = 135,199.88/x
  3. Step 3: Cross multiply
    249,921.51x = 344,890.65 × 135,199.88
  4. Step 4: Simplify right side
    249,921.51x = 46,629,174,493.12
  5. Step 5: Solve for x
    x = 46,629,174,493.12/249,921.51
  6. Step 6: Final answer
    x = 186,575.28

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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.