Home / 106,054.86-146,354.68-78,952.16

Finding the Fourth Proportional to 106,054.86, 146,354.68 and 78,952.16

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Solution

The fourth proportional to 106,054.86, 146,354.68 and 78,952.16 is: 108,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,054.86 : 146,354.68 = 78,952.16 : x
  2. Step 2: Convert to fraction form
    106,054.86/146,354.68 = 78,952.16/x
  3. Step 3: Cross multiply
    106,054.86x = 146,354.68 × 78,952.16
  4. Step 4: Simplify right side
    106,054.86x = 11,555,018,112.11
  5. Step 5: Solve for x
    x = 11,555,018,112.11/106,054.86
  6. Step 6: Final answer
    x = 108,953.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.