Home / 203,459.84-280,767.04-112,817.44

Finding the Fourth Proportional to 203,459.84, 280,767.04 and 112,817.44

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Solution

The fourth proportional to 203,459.84, 280,767.04 and 112,817.44 is: 155,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,459.84 : 280,767.04 = 112,817.44 : x
  2. Step 2: Convert to fraction form
    203,459.84/280,767.04 = 112,817.44/x
  3. Step 3: Cross multiply
    203,459.84x = 280,767.04 × 112,817.44
  4. Step 4: Simplify right side
    203,459.84x = 31,675,418,689.18
  5. Step 5: Solve for x
    x = 31,675,418,689.18/203,459.84
  6. Step 6: Final answer
    x = 155,683.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.