Home / 163,620.28-245,369.67-56,976.86

Finding the Fourth Proportional to 163,620.28, 245,369.67 and 56,976.86

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Solution

The fourth proportional to 163,620.28, 245,369.67 and 56,976.86 is: 85,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,620.28 : 245,369.67 = 56,976.86 : x
  2. Step 2: Convert to fraction form
    163,620.28/245,369.67 = 56,976.86/x
  3. Step 3: Cross multiply
    163,620.28x = 245,369.67 × 56,976.86
  4. Step 4: Simplify right side
    163,620.28x = 13,980,393,735.60
  5. Step 5: Solve for x
    x = 13,980,393,735.60/163,620.28
  6. Step 6: Final answer
    x = 85,444.14

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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.