Home / 249,983.68-344,936.40-142,555.84

Finding the Fourth Proportional to 249,983.68, 344,936.40 and 142,555.84

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Solution

The fourth proportional to 249,983.68, 344,936.40 and 142,555.84 is: 196,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,983.68 : 344,936.40 = 142,555.84 : x
  2. Step 2: Convert to fraction form
    249,983.68/344,936.40 = 142,555.84/x
  3. Step 3: Cross multiply
    249,983.68x = 344,936.40 × 142,555.84
  4. Step 4: Simplify right side
    249,983.68x = 49,172,698,248.58
  5. Step 5: Solve for x
    x = 49,172,698,248.58/249,983.68
  6. Step 6: Final answer
    x = 196,703.63

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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.