Home / 136,455.40-204,683.10-133,539.40

Finding the Fourth Proportional to 136,455.40, 204,683.10 and 133,539.40

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Solution

The fourth proportional to 136,455.40, 204,683.10 and 133,539.40 is: 200,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,455.40 : 204,683.10 = 133,539.40 : x
  2. Step 2: Convert to fraction form
    136,455.40/204,683.10 = 133,539.40/x
  3. Step 3: Cross multiply
    136,455.40x = 204,683.10 × 133,539.40
  4. Step 4: Simplify right side
    136,455.40x = 27,333,258,364.14
  5. Step 5: Solve for x
    x = 27,333,258,364.14/136,455.40
  6. Step 6: Final answer
    x = 200,309.10

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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.