Home / 124,070.10-185,992.53-45,128.52

Finding the Fourth Proportional to 124,070.10, 185,992.53 and 45,128.52

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Solution

The fourth proportional to 124,070.10, 185,992.53 and 45,128.52 is: 67,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,070.10 : 185,992.53 = 45,128.52 : x
  2. Step 2: Convert to fraction form
    124,070.10/185,992.53 = 45,128.52/x
  3. Step 3: Cross multiply
    124,070.10x = 185,992.53 × 45,128.52
  4. Step 4: Simplify right side
    124,070.10x = 8,393,567,609.96
  5. Step 5: Solve for x
    x = 8,393,567,609.96/124,070.10
  6. Step 6: Final answer
    x = 67,651.82

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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.