Home / 136,758.40-204,767.04-70,956.16

Finding the Fourth Proportional to 136,758.40, 204,767.04 and 70,956.16

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Solution

The fourth proportional to 136,758.40, 204,767.04 and 70,956.16 is: 106,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,758.40 : 204,767.04 = 70,956.16 : x
  2. Step 2: Convert to fraction form
    136,758.40/204,767.04 = 70,956.16/x
  3. Step 3: Cross multiply
    136,758.40x = 204,767.04 × 70,956.16
  4. Step 4: Simplify right side
    136,758.40x = 14,529,482,852.97
  5. Step 5: Solve for x
    x = 14,529,482,852.97/136,758.40
  6. Step 6: Final answer
    x = 106,241.98

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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.