Home / 106,430.32-146,749.08-79,525.36

Finding the Fourth Proportional to 106,430.32, 146,749.08 and 79,525.36

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Solution

The fourth proportional to 106,430.32, 146,749.08 and 79,525.36 is: 109,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.32 : 146,749.08 = 79,525.36 : x
  2. Step 2: Convert to fraction form
    106,430.32/146,749.08 = 79,525.36/x
  3. Step 3: Cross multiply
    106,430.32x = 146,749.08 × 79,525.36
  4. Step 4: Simplify right side
    106,430.32x = 11,670,273,416.67
  5. Step 5: Solve for x
    x = 11,670,273,416.67/106,430.32
  6. Step 6: Final answer
    x = 109,651.77

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1.5x scale

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.