Home / 132,783.46-183,238.86-72,354.58

Finding the Fourth Proportional to 132,783.46, 183,238.86 and 72,354.58

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Solution

The fourth proportional to 132,783.46, 183,238.86 and 72,354.58 is: 99,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,783.46 : 183,238.86 = 72,354.58 : x
  2. Step 2: Convert to fraction form
    132,783.46/183,238.86 = 72,354.58/x
  3. Step 3: Cross multiply
    132,783.46x = 183,238.86 × 72,354.58
  4. Step 4: Simplify right side
    132,783.46x = 13,258,170,754.98
  5. Step 5: Solve for x
    x = 13,258,170,754.98/132,783.46
  6. Step 6: Final answer
    x = 99,848.06

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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.