Home / 133,946.68-200,920-104,386.64

Finding the Fourth Proportional to 133,946.68, 200,920 and 104,386.64

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Solution

The fourth proportional to 133,946.68, 200,920 and 104,386.64 is: 156,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,946.68 : 200,920 = 104,386.64 : x
  2. Step 2: Convert to fraction form
    133,946.68/200,920 = 104,386.64/x
  3. Step 3: Cross multiply
    133,946.68x = 200,920 × 104,386.64
  4. Step 4: Simplify right side
    133,946.68x = 20,973,363,708.80
  5. Step 5: Solve for x
    x = 20,973,363,708.80/133,946.68
  6. Step 6: Final answer
    x = 156,579.94

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1.5x scale

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.