Home / 136,281.81-204,410.18-36,438.42

Finding the Fourth Proportional to 136,281.81, 204,410.18 and 36,438.42

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Solution

The fourth proportional to 136,281.81, 204,410.18 and 36,438.42 is: 54,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,281.81 : 204,410.18 = 36,438.42 : x
  2. Step 2: Convert to fraction form
    136,281.81/204,410.18 = 36,438.42/x
  3. Step 3: Cross multiply
    136,281.81x = 204,410.18 × 36,438.42
  4. Step 4: Simplify right side
    136,281.81x = 7,448,383,808.92
  5. Step 5: Solve for x
    x = 7,448,383,808.92/136,281.81
  6. Step 6: Final answer
    x = 54,654.28

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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.