Home / 164,830.80-247,181.92-56,739.72

Finding the Fourth Proportional to 164,830.80, 247,181.92 and 56,739.72

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Solution

The fourth proportional to 164,830.80, 247,181.92 and 56,739.72 is: 85,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,830.80 : 247,181.92 = 56,739.72 : x
  2. Step 2: Convert to fraction form
    164,830.80/247,181.92 = 56,739.72/x
  3. Step 3: Cross multiply
    164,830.80x = 247,181.92 × 56,739.72
  4. Step 4: Simplify right side
    164,830.80x = 14,025,032,929.86
  5. Step 5: Solve for x
    x = 14,025,032,929.86/164,830.80
  6. Step 6: Final answer
    x = 85,087.45

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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.