Home / 133,266.24-183,904.08-76,708.80

Finding the Fourth Proportional to 133,266.24, 183,904.08 and 76,708.80

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Solution

The fourth proportional to 133,266.24, 183,904.08 and 76,708.80 is: 105,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,266.24 : 183,904.08 = 76,708.80 : x
  2. Step 2: Convert to fraction form
    133,266.24/183,904.08 = 76,708.80/x
  3. Step 3: Cross multiply
    133,266.24x = 183,904.08 × 76,708.80
  4. Step 4: Simplify right side
    133,266.24x = 14,107,061,291.90
  5. Step 5: Solve for x
    x = 14,107,061,291.90/133,266.24
  6. Step 6: Final answer
    x = 105,856.23

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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.