Home / 136,030.94-204,366.58-128,478.10

Finding the Fourth Proportional to 136,030.94, 204,366.58 and 128,478.10

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Solution

The fourth proportional to 136,030.94, 204,366.58 and 128,478.10 is: 193,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,030.94 : 204,366.58 = 128,478.10 : x
  2. Step 2: Convert to fraction form
    136,030.94/204,366.58 = 128,478.10/x
  3. Step 3: Cross multiply
    136,030.94x = 204,366.58 × 128,478.10
  4. Step 4: Simplify right side
    136,030.94x = 26,256,629,901.90
  5. Step 5: Solve for x
    x = 26,256,629,901.90/136,030.94
  6. Step 6: Final answer
    x = 193,019.54

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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.