Home / 131,984.84-182,136.70-74,623.17

Finding the Fourth Proportional to 131,984.84, 182,136.70 and 74,623.17

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Solution

The fourth proportional to 131,984.84, 182,136.70 and 74,623.17 is: 102,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,984.84 : 182,136.70 = 74,623.17 : x
  2. Step 2: Convert to fraction form
    131,984.84/182,136.70 = 74,623.17/x
  3. Step 3: Cross multiply
    131,984.84x = 182,136.70 × 74,623.17
  4. Step 4: Simplify right side
    131,984.84x = 13,591,617,927.34
  5. Step 5: Solve for x
    x = 13,591,617,927.34/131,984.84
  6. Step 6: Final answer
    x = 102,978.63

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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.