Home / 132,134.36-182,349.48-77,676.54

Finding the Fourth Proportional to 132,134.36, 182,349.48 and 77,676.54

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Solution

The fourth proportional to 132,134.36, 182,349.48 and 77,676.54 is: 107,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,134.36 : 182,349.48 = 77,676.54 : x
  2. Step 2: Convert to fraction form
    132,134.36/182,349.48 = 77,676.54/x
  3. Step 3: Cross multiply
    132,134.36x = 182,349.48 × 77,676.54
  4. Step 4: Simplify right side
    132,134.36x = 14,164,277,386.32
  5. Step 5: Solve for x
    x = 14,164,277,386.32/132,134.36
  6. Step 6: Final answer
    x = 107,196.02

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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.