Home / 132,424.86-182,747.03-77,979.39

Finding the Fourth Proportional to 132,424.86, 182,747.03 and 77,979.39

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Solution

The fourth proportional to 132,424.86, 182,747.03 and 77,979.39 is: 107,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,424.86 : 182,747.03 = 77,979.39 : x
  2. Step 2: Convert to fraction form
    132,424.86/182,747.03 = 77,979.39/x
  3. Step 3: Cross multiply
    132,424.86x = 182,747.03 × 77,979.39
  4. Step 4: Simplify right side
    132,424.86x = 14,250,501,533.81
  5. Step 5: Solve for x
    x = 14,250,501,533.81/132,424.86
  6. Step 6: Final answer
    x = 107,611.98

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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.