Home / 249,895.81-344,864.82-136,718.56

Finding the Fourth Proportional to 249,895.81, 344,864.82 and 136,718.56

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Solution

The fourth proportional to 249,895.81, 344,864.82 and 136,718.56 is: 188,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,895.81 : 344,864.82 = 136,718.56 : x
  2. Step 2: Convert to fraction form
    249,895.81/344,864.82 = 136,718.56/x
  3. Step 3: Cross multiply
    249,895.81x = 344,864.82 × 136,718.56
  4. Step 4: Simplify right side
    249,895.81x = 47,149,421,585.06
  5. Step 5: Solve for x
    x = 47,149,421,585.06/249,895.81
  6. Step 6: Final answer
    x = 188,676.32

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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.