Home / 106,445.19-146,741.73-83,744.76

Finding the Fourth Proportional to 106,445.19, 146,741.73 and 83,744.76

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Solution

The fourth proportional to 106,445.19, 146,741.73 and 83,744.76 is: 115,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,445.19 : 146,741.73 = 83,744.76 : x
  2. Step 2: Convert to fraction form
    106,445.19/146,741.73 = 83,744.76/x
  3. Step 3: Cross multiply
    106,445.19x = 146,741.73 × 83,744.76
  4. Step 4: Simplify right side
    106,445.19x = 12,288,850,960.83
  5. Step 5: Solve for x
    x = 12,288,850,960.83/106,445.19
  6. Step 6: Final answer
    x = 115,447.69

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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.