Home / 132,366.72-182,708.64-84,748.32

Finding the Fourth Proportional to 132,366.72, 182,708.64 and 84,748.32

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Solution

The fourth proportional to 132,366.72, 182,708.64 and 84,748.32 is: 116,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,366.72 : 182,708.64 = 84,748.32 : x
  2. Step 2: Convert to fraction form
    132,366.72/182,708.64 = 84,748.32/x
  3. Step 3: Cross multiply
    132,366.72x = 182,708.64 × 84,748.32
  4. Step 4: Simplify right side
    132,366.72x = 15,484,250,289.48
  5. Step 5: Solve for x
    x = 15,484,250,289.48/132,366.72
  6. Step 6: Final answer
    x = 116,979.93

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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.