Home / 133,291.40-183,912.48-76,702.77

Finding the Fourth Proportional to 133,291.40, 183,912.48 and 76,702.77

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Solution

The fourth proportional to 133,291.40, 183,912.48 and 76,702.77 is: 105,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,291.40 : 183,912.48 = 76,702.77 : x
  2. Step 2: Convert to fraction form
    133,291.40/183,912.48 = 76,702.77/x
  3. Step 3: Cross multiply
    133,291.40x = 183,912.48 × 76,702.77
  4. Step 4: Simplify right side
    133,291.40x = 14,106,596,653.57
  5. Step 5: Solve for x
    x = 14,106,596,653.57/133,291.40
  6. Step 6: Final answer
    x = 105,832.76

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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.