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Finding the Fourth Proportional to 101,438.68, 152,157.90 and 39,065.44

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Solution

The fourth proportional to 101,438.68, 152,157.90 and 39,065.44 is: 58,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,438.68 : 152,157.90 = 39,065.44 : x
  2. Step 2: Convert to fraction form
    101,438.68/152,157.90 = 39,065.44/x
  3. Step 3: Cross multiply
    101,438.68x = 152,157.90 × 39,065.44
  4. Step 4: Simplify right side
    101,438.68x = 5,944,115,312.98
  5. Step 5: Solve for x
    x = 5,944,115,312.98/101,438.68
  6. Step 6: Final answer
    x = 58,598.11

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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.