Home / 132,358.72-182,697.60-84,740.32

Finding the Fourth Proportional to 132,358.72, 182,697.60 and 84,740.32

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Solution

The fourth proportional to 132,358.72, 182,697.60 and 84,740.32 is: 116,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,358.72 : 182,697.60 = 84,740.32 : x
  2. Step 2: Convert to fraction form
    132,358.72/182,697.60 = 84,740.32/x
  3. Step 3: Cross multiply
    132,358.72x = 182,697.60 × 84,740.32
  4. Step 4: Simplify right side
    132,358.72x = 15,481,853,087.23
  5. Step 5: Solve for x
    x = 15,481,853,087.23/132,358.72
  6. Step 6: Final answer
    x = 116,968.89

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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.