Home / 131,368.86-181,265.31-73,999.26

Finding the Fourth Proportional to 131,368.86, 181,265.31 and 73,999.26

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Solution

The fourth proportional to 131,368.86, 181,265.31 and 73,999.26 is: 102,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,368.86 : 181,265.31 = 73,999.26 : x
  2. Step 2: Convert to fraction form
    131,368.86/181,265.31 = 73,999.26/x
  3. Step 3: Cross multiply
    131,368.86x = 181,265.31 × 73,999.26
  4. Step 4: Simplify right side
    131,368.86x = 13,413,498,803.67
  5. Step 5: Solve for x
    x = 13,413,498,803.67/131,368.86
  6. Step 6: Final answer
    x = 102,105.62

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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.