Home / 132,238.32-182,427.84-78,492.96

Finding the Fourth Proportional to 132,238.32, 182,427.84 and 78,492.96

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Solution

The fourth proportional to 132,238.32, 182,427.84 and 78,492.96 is: 108,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,238.32 : 182,427.84 = 78,492.96 : x
  2. Step 2: Convert to fraction form
    132,238.32/182,427.84 = 78,492.96/x
  3. Step 3: Cross multiply
    132,238.32x = 182,427.84 × 78,492.96
  4. Step 4: Simplify right side
    132,238.32x = 14,319,301,148.01
  5. Step 5: Solve for x
    x = 14,319,301,148.01/132,238.32
  6. Step 6: Final answer
    x = 108,284.05

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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.