Home / 132,273.81-182,566.64-81,330.21

Finding the Fourth Proportional to 132,273.81, 182,566.64 and 81,330.21

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Solution

The fourth proportional to 132,273.81, 182,566.64 and 81,330.21 is: 112,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,273.81 : 182,566.64 = 81,330.21 : x
  2. Step 2: Convert to fraction form
    132,273.81/182,566.64 = 81,330.21/x
  3. Step 3: Cross multiply
    132,273.81x = 182,566.64 × 81,330.21
  4. Step 4: Simplify right side
    132,273.81x = 14,848,183,373.52
  5. Step 5: Solve for x
    x = 14,848,183,373.52/132,273.81
  6. Step 6: Final answer
    x = 112,253.39

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1.5x scale

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.