Home / 164,021.80-246,032.70-45,711.40

Finding the Fourth Proportional to 164,021.80, 246,032.70 and 45,711.40

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Solution

The fourth proportional to 164,021.80, 246,032.70 and 45,711.40 is: 68,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,021.80 : 246,032.70 = 45,711.40 : x
  2. Step 2: Convert to fraction form
    164,021.80/246,032.70 = 45,711.40/x
  3. Step 3: Cross multiply
    164,021.80x = 246,032.70 × 45,711.40
  4. Step 4: Simplify right side
    164,021.80x = 11,246,499,162.78
  5. Step 5: Solve for x
    x = 11,246,499,162.78/164,021.80
  6. Step 6: Final answer
    x = 68,567.10

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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.