Home / 132,679.89-183,094.02-78,952.59

Finding the Fourth Proportional to 132,679.89, 183,094.02 and 78,952.59

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Solution

The fourth proportional to 132,679.89, 183,094.02 and 78,952.59 is: 108,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,679.89 : 183,094.02 = 78,952.59 : x
  2. Step 2: Convert to fraction form
    132,679.89/183,094.02 = 78,952.59/x
  3. Step 3: Cross multiply
    132,679.89x = 183,094.02 × 78,952.59
  4. Step 4: Simplify right side
    132,679.89x = 14,455,747,092.51
  5. Step 5: Solve for x
    x = 14,455,747,092.51/132,679.89
  6. Step 6: Final answer
    x = 108,952.06

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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.