Home / 133,307.16-200,011.25-80,036.34

Finding the Fourth Proportional to 133,307.16, 200,011.25 and 80,036.34

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Solution

The fourth proportional to 133,307.16, 200,011.25 and 80,036.34 is: 120,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,307.16 : 200,011.25 = 80,036.34 : x
  2. Step 2: Convert to fraction form
    133,307.16/200,011.25 = 80,036.34/x
  3. Step 3: Cross multiply
    133,307.16x = 200,011.25 × 80,036.34
  4. Step 4: Simplify right side
    133,307.16x = 16,008,168,008.64
  5. Step 5: Solve for x
    x = 16,008,168,008.64/133,307.16
  6. Step 6: Final answer
    x = 120,084.83

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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.