Home / 84,180.06-116,168.40-53,965.35

Finding the Fourth Proportional to 84,180.06, 116,168.40 and 53,965.35

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Solution

The fourth proportional to 84,180.06, 116,168.40 and 53,965.35 is: 74,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,180.06 : 116,168.40 = 53,965.35 : x
  2. Step 2: Convert to fraction form
    84,180.06/116,168.40 = 53,965.35/x
  3. Step 3: Cross multiply
    84,180.06x = 116,168.40 × 53,965.35
  4. Step 4: Simplify right side
    84,180.06x = 6,269,068,364.94
  5. Step 5: Solve for x
    x = 6,269,068,364.94/84,180.06
  6. Step 6: Final answer
    x = 74,472.13

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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.