Home / 133,174.13-183,785.76-76,585.50

Finding the Fourth Proportional to 133,174.13, 183,785.76 and 76,585.50

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Solution

The fourth proportional to 133,174.13, 183,785.76 and 76,585.50 is: 105,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,174.13 : 183,785.76 = 76,585.50 : x
  2. Step 2: Convert to fraction form
    133,174.13/183,785.76 = 76,585.50/x
  3. Step 3: Cross multiply
    133,174.13x = 183,785.76 × 76,585.50
  4. Step 4: Simplify right side
    133,174.13x = 14,075,324,322.48
  5. Step 5: Solve for x
    x = 14,075,324,322.48/133,174.13
  6. Step 6: Final answer
    x = 105,691.13

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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.