Home / 131,607.96-181,641.32-74,263.54

Finding the Fourth Proportional to 131,607.96, 181,641.32 and 74,263.54

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Solution

The fourth proportional to 131,607.96, 181,641.32 and 74,263.54 is: 102,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,607.96 : 181,641.32 = 74,263.54 : x
  2. Step 2: Convert to fraction form
    131,607.96/181,641.32 = 74,263.54/x
  3. Step 3: Cross multiply
    131,607.96x = 181,641.32 × 74,263.54
  4. Step 4: Simplify right side
    131,607.96x = 13,489,326,153.95
  5. Step 5: Solve for x
    x = 13,489,326,153.95/131,607.96
  6. Step 6: Final answer
    x = 102,496.28

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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.