Home / 88,133.46-132,172.11-28,955.40

Finding the Fourth Proportional to 88,133.46, 132,172.11 and 28,955.40

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Solution

The fourth proportional to 88,133.46, 132,172.11 and 28,955.40 is: 43,423.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.46 : 132,172.11 = 28,955.40 : x
  2. Step 2: Convert to fraction form
    88,133.46/132,172.11 = 28,955.40/x
  3. Step 3: Cross multiply
    88,133.46x = 132,172.11 × 28,955.40
  4. Step 4: Simplify right side
    88,133.46x = 3,827,096,313.89
  5. Step 5: Solve for x
    x = 3,827,096,313.89/88,133.46
  6. Step 6: Final answer
    x = 43,423.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.