Home / 133,073.92-183,634.18-76,485.30

Finding the Fourth Proportional to 133,073.92, 183,634.18 and 76,485.30

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Solution

The fourth proportional to 133,073.92, 183,634.18 and 76,485.30 is: 105,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.92 : 183,634.18 = 76,485.30 : x
  2. Step 2: Convert to fraction form
    133,073.92/183,634.18 = 76,485.30/x
  3. Step 3: Cross multiply
    133,073.92x = 183,634.18 × 76,485.30
  4. Step 4: Simplify right side
    133,073.92x = 14,045,315,347.55
  5. Step 5: Solve for x
    x = 14,045,315,347.55/133,073.92
  6. Step 6: Final answer
    x = 105,545.21

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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.