Home / 102,359.91-153,467.16-39,126.77

Finding the Fourth Proportional to 102,359.91, 153,467.16 and 39,126.77

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Solution

The fourth proportional to 102,359.91, 153,467.16 and 39,126.77 is: 58,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,359.91 : 153,467.16 = 39,126.77 : x
  2. Step 2: Convert to fraction form
    102,359.91/153,467.16 = 39,126.77/x
  3. Step 3: Cross multiply
    102,359.91x = 153,467.16 × 39,126.77
  4. Step 4: Simplify right side
    102,359.91x = 6,004,674,271.87
  5. Step 5: Solve for x
    x = 6,004,674,271.87/102,359.91
  6. Step 6: Final answer
    x = 58,662.36

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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.