Home / 249,926.71-344,890.27-142,531.31

Finding the Fourth Proportional to 249,926.71, 344,890.27 and 142,531.31

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Solution

The fourth proportional to 249,926.71, 344,890.27 and 142,531.31 is: 196,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,926.71 : 344,890.27 = 142,531.31 : x
  2. Step 2: Convert to fraction form
    249,926.71/344,890.27 = 142,531.31/x
  3. Step 3: Cross multiply
    249,926.71x = 344,890.27 × 142,531.31
  4. Step 4: Simplify right side
    249,926.71x = 49,157,661,989.35
  5. Step 5: Solve for x
    x = 49,157,661,989.35/249,926.71
  6. Step 6: Final answer
    x = 196,688.31

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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.