Home / 133,308.84-183,968.40-79,598.55

Finding the Fourth Proportional to 133,308.84, 183,968.40 and 79,598.55

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Solution

The fourth proportional to 133,308.84, 183,968.40 and 79,598.55 is: 109,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,308.84 : 183,968.40 = 79,598.55 : x
  2. Step 2: Convert to fraction form
    133,308.84/183,968.40 = 79,598.55/x
  3. Step 3: Cross multiply
    133,308.84x = 183,968.40 × 79,598.55
  4. Step 4: Simplify right side
    133,308.84x = 14,643,617,885.82
  5. Step 5: Solve for x
    x = 14,643,617,885.82/133,308.84
  6. Step 6: Final answer
    x = 109,847.31

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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.