Home / 163,620.43-245,403.30-45,303.73

Finding the Fourth Proportional to 163,620.43, 245,403.30 and 45,303.73

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Solution

The fourth proportional to 163,620.43, 245,403.30 and 45,303.73 is: 67,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,620.43 : 245,403.30 = 45,303.73 : x
  2. Step 2: Convert to fraction form
    163,620.43/245,403.30 = 45,303.73/x
  3. Step 3: Cross multiply
    163,620.43x = 245,403.30 × 45,303.73
  4. Step 4: Simplify right side
    163,620.43x = 11,117,684,400.69
  5. Step 5: Solve for x
    x = 11,117,684,400.69/163,620.43
  6. Step 6: Final answer
    x = 67,948.02

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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.