Home / 88,731.10-133,096.65-57,238.30

Finding the Fourth Proportional to 88,731.10, 133,096.65 and 57,238.30

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Solution

The fourth proportional to 88,731.10, 133,096.65 and 57,238.30 is: 85,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731.10 : 133,096.65 = 57,238.30 : x
  2. Step 2: Convert to fraction form
    88,731.10/133,096.65 = 57,238.30/x
  3. Step 3: Cross multiply
    88,731.10x = 133,096.65 × 57,238.30
  4. Step 4: Simplify right side
    88,731.10x = 7,618,225,981.70
  5. Step 5: Solve for x
    x = 7,618,225,981.70/88,731.10
  6. Step 6: Final answer
    x = 85,857.45

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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.