Home / 168,800.40-253,200.60-142,228.35

Finding the Fourth Proportional to 168,800.40, 253,200.60 and 142,228.35

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Solution

The fourth proportional to 168,800.40, 253,200.60 and 142,228.35 is: 213,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,800.40 : 253,200.60 = 142,228.35 : x
  2. Step 2: Convert to fraction form
    168,800.40/253,200.60 = 142,228.35/x
  3. Step 3: Cross multiply
    168,800.40x = 253,200.60 × 142,228.35
  4. Step 4: Simplify right side
    168,800.40x = 36,012,303,557.01
  5. Step 5: Solve for x
    x = 36,012,303,557.01/168,800.40
  6. Step 6: Final answer
    x = 213,342.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.