Home / 105,798.15-146,001.62-58,051.86

Finding the Fourth Proportional to 105,798.15, 146,001.62 and 58,051.86

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Solution

The fourth proportional to 105,798.15, 146,001.62 and 58,051.86 is: 80,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,798.15 : 146,001.62 = 58,051.86 : x
  2. Step 2: Convert to fraction form
    105,798.15/146,001.62 = 58,051.86/x
  3. Step 3: Cross multiply
    105,798.15x = 146,001.62 × 58,051.86
  4. Step 4: Simplify right side
    105,798.15x = 8,475,665,201.64
  5. Step 5: Solve for x
    x = 8,475,665,201.64/105,798.15
  6. Step 6: Final answer
    x = 80,111.66

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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.