Home / 249,168.37-343,766.21-140,255.20

Finding the Fourth Proportional to 249,168.37, 343,766.21 and 140,255.20

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Solution

The fourth proportional to 249,168.37, 343,766.21 and 140,255.20 is: 193,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,168.37 : 343,766.21 = 140,255.20 : x
  2. Step 2: Convert to fraction form
    249,168.37/343,766.21 = 140,255.20/x
  3. Step 3: Cross multiply
    249,168.37x = 343,766.21 × 140,255.20
  4. Step 4: Simplify right side
    249,168.37x = 48,214,997,712.18
  5. Step 5: Solve for x
    x = 48,214,997,712.18/249,168.37
  6. Step 6: Final answer
    x = 193,503.69

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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.