Home / 249,222.72-343,926.36-136,045.56

Finding the Fourth Proportional to 249,222.72, 343,926.36 and 136,045.56

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Solution

The fourth proportional to 249,222.72, 343,926.36 and 136,045.56 is: 187,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,222.72 : 343,926.36 = 136,045.56 : x
  2. Step 2: Convert to fraction form
    249,222.72/343,926.36 = 136,045.56/x
  3. Step 3: Cross multiply
    249,222.72x = 343,926.36 × 136,045.56
  4. Step 4: Simplify right side
    249,222.72x = 46,789,654,244.96
  5. Step 5: Solve for x
    x = 46,789,654,244.96/249,222.72
  6. Step 6: Final answer
    x = 187,742.33

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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.