Home / 99,146.19-136,821.97-53,824.29

Finding the Fourth Proportional to 99,146.19, 136,821.97 and 53,824.29

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Solution

The fourth proportional to 99,146.19, 136,821.97 and 53,824.29 is: 74,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,146.19 : 136,821.97 = 53,824.29 : x
  2. Step 2: Convert to fraction form
    99,146.19/136,821.97 = 53,824.29/x
  3. Step 3: Cross multiply
    99,146.19x = 136,821.97 × 53,824.29
  4. Step 4: Simplify right side
    99,146.19x = 7,364,345,354.35
  5. Step 5: Solve for x
    x = 7,364,345,354.35/99,146.19
  6. Step 6: Final answer
    x = 74,277.64

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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.