Home / 249,626.41-344,400.36-142,120.37

Finding the Fourth Proportional to 249,626.41, 344,400.36 and 142,120.37

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Solution

The fourth proportional to 249,626.41, 344,400.36 and 142,120.37 is: 196,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,626.41 : 344,400.36 = 142,120.37 : x
  2. Step 2: Convert to fraction form
    249,626.41/344,400.36 = 142,120.37/x
  3. Step 3: Cross multiply
    249,626.41x = 344,400.36 × 142,120.37
  4. Step 4: Simplify right side
    249,626.41x = 48,946,306,919.38
  5. Step 5: Solve for x
    x = 48,946,306,919.38/249,626.41
  6. Step 6: Final answer
    x = 196,078.24

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1.5x scale

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.