Home / 136,528.07-204,659.78-52,223.31

Finding the Fourth Proportional to 136,528.07, 204,659.78 and 52,223.31

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Solution

The fourth proportional to 136,528.07, 204,659.78 and 52,223.31 is: 78,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,528.07 : 204,659.78 = 52,223.31 : x
  2. Step 2: Convert to fraction form
    136,528.07/204,659.78 = 52,223.31/x
  3. Step 3: Cross multiply
    136,528.07x = 204,659.78 × 52,223.31
  4. Step 4: Simplify right side
    136,528.07x = 10,688,010,874.36
  5. Step 5: Solve for x
    x = 10,688,010,874.36/136,528.07
  6. Step 6: Final answer
    x = 78,284.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.