Home / 163,429.60-245,144.40-162,392.80

Finding the Fourth Proportional to 163,429.60, 245,144.40 and 162,392.80

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Solution

The fourth proportional to 163,429.60, 245,144.40 and 162,392.80 is: 243,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,429.60 : 245,144.40 = 162,392.80 : x
  2. Step 2: Convert to fraction form
    163,429.60/245,144.40 = 162,392.80/x
  3. Step 3: Cross multiply
    163,429.60x = 245,144.40 × 162,392.80
  4. Step 4: Simplify right side
    163,429.60x = 39,809,685,520.32
  5. Step 5: Solve for x
    x = 39,809,685,520.32/163,429.60
  6. Step 6: Final answer
    x = 243,589.20

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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.