Home / 249,960.16-344,936.55-142,564.78

Finding the Fourth Proportional to 249,960.16, 344,936.55 and 142,564.78

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Solution

The fourth proportional to 249,960.16, 344,936.55 and 142,564.78 is: 196,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,960.16 : 344,936.55 = 142,564.78 : x
  2. Step 2: Convert to fraction form
    249,960.16/344,936.55 = 142,564.78/x
  3. Step 3: Cross multiply
    249,960.16x = 344,936.55 × 142,564.78
  4. Step 4: Simplify right side
    249,960.16x = 49,175,803,364.71
  5. Step 5: Solve for x
    x = 49,175,803,364.71/249,960.16
  6. Step 6: Final answer
    x = 196,734.57

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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.