Home / 249,813.95-344,734.65-142,418.57

Finding the Fourth Proportional to 249,813.95, 344,734.65 and 142,418.57

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Solution

The fourth proportional to 249,813.95, 344,734.65 and 142,418.57 is: 196,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,813.95 : 344,734.65 = 142,418.57 : x
  2. Step 2: Convert to fraction form
    249,813.95/344,734.65 = 142,418.57/x
  3. Step 3: Cross multiply
    249,813.95x = 344,734.65 × 142,418.57
  4. Step 4: Simplify right side
    249,813.95x = 49,096,614,158.78
  5. Step 5: Solve for x
    x = 49,096,614,158.78/249,813.95
  6. Step 6: Final answer
    x = 196,532.72

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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.