Home / 133,823.84-200,985.28-117,819.05

Finding the Fourth Proportional to 133,823.84, 200,985.28 and 117,819.05

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Solution

The fourth proportional to 133,823.84, 200,985.28 and 117,819.05 is: 176,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,823.84 : 200,985.28 = 117,819.05 : x
  2. Step 2: Convert to fraction form
    133,823.84/200,985.28 = 117,819.05/x
  3. Step 3: Cross multiply
    133,823.84x = 200,985.28 × 117,819.05
  4. Step 4: Simplify right side
    133,823.84x = 23,679,893,454.11
  5. Step 5: Solve for x
    x = 23,679,893,454.11/133,823.84
  6. Step 6: Final answer
    x = 176,948.25

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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.