Home / 104,379.15-144,042.59-56,631.47

Finding the Fourth Proportional to 104,379.15, 144,042.59 and 56,631.47

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Solution

The fourth proportional to 104,379.15, 144,042.59 and 56,631.47 is: 78,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,379.15 : 144,042.59 = 56,631.47 : x
  2. Step 2: Convert to fraction form
    104,379.15/144,042.59 = 56,631.47/x
  3. Step 3: Cross multiply
    104,379.15x = 144,042.59 × 56,631.47
  4. Step 4: Simplify right side
    104,379.15x = 8,157,342,610.94
  5. Step 5: Solve for x
    x = 8,157,342,610.94/104,379.15
  6. Step 6: Final answer
    x = 78,151.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.