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Finding the Fourth Proportional to 133,730.04, 200,460.04 and 83,845.20

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Solution

The fourth proportional to 133,730.04, 200,460.04 and 83,845.20 is: 125,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,730.04 : 200,460.04 = 83,845.20 : x
  2. Step 2: Convert to fraction form
    133,730.04/200,460.04 = 83,845.20/x
  3. Step 3: Cross multiply
    133,730.04x = 200,460.04 × 83,845.20
  4. Step 4: Simplify right side
    133,730.04x = 16,807,612,145.81
  5. Step 5: Solve for x
    x = 16,807,612,145.81/133,730.04
  6. Step 6: Final answer
    x = 125,683.15

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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.