Home / 111,973.24-168,000.78-52,029.40

Finding the Fourth Proportional to 111,973.24, 168,000.78 and 52,029.40

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Solution

The fourth proportional to 111,973.24, 168,000.78 and 52,029.40 is: 78,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,973.24 : 168,000.78 = 52,029.40 : x
  2. Step 2: Convert to fraction form
    111,973.24/168,000.78 = 52,029.40/x
  3. Step 3: Cross multiply
    111,973.24x = 168,000.78 × 52,029.40
  4. Step 4: Simplify right side
    111,973.24x = 8,740,979,782.93
  5. Step 5: Solve for x
    x = 8,740,979,782.93/111,973.24
  6. Step 6: Final answer
    x = 78,063.11

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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.