Home / 123,666.90-185,438.92-39,416.10

Finding the Fourth Proportional to 123,666.90, 185,438.92 and 39,416.10

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Solution

The fourth proportional to 123,666.90, 185,438.92 and 39,416.10 is: 59,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,666.90 : 185,438.92 = 39,416.10 : x
  2. Step 2: Convert to fraction form
    123,666.90/185,438.92 = 39,416.10/x
  3. Step 3: Cross multiply
    123,666.90x = 185,438.92 × 39,416.10
  4. Step 4: Simplify right side
    123,666.90x = 7,309,279,014.61
  5. Step 5: Solve for x
    x = 7,309,279,014.61/123,666.90
  6. Step 6: Final answer
    x = 59,104.57

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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.