Home / 132,973.56-183,447.18-85,211.64

Finding the Fourth Proportional to 132,973.56, 183,447.18 and 85,211.64

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Solution

The fourth proportional to 132,973.56, 183,447.18 and 85,211.64 is: 117,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,973.56 : 183,447.18 = 85,211.64 : x
  2. Step 2: Convert to fraction form
    132,973.56/183,447.18 = 85,211.64/x
  3. Step 3: Cross multiply
    132,973.56x = 183,447.18 × 85,211.64
  4. Step 4: Simplify right side
    132,973.56x = 15,631,835,061.18
  5. Step 5: Solve for x
    x = 15,631,835,061.18/132,973.56
  6. Step 6: Final answer
    x = 117,555.96

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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.