Home / 131,607.77-181,641.06-74,263.35

Finding the Fourth Proportional to 131,607.77, 181,641.06 and 74,263.35

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Solution

The fourth proportional to 131,607.77, 181,641.06 and 74,263.35 is: 102,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,607.77 : 181,641.06 = 74,263.35 : x
  2. Step 2: Convert to fraction form
    131,607.77/181,641.06 = 74,263.35/x
  3. Step 3: Cross multiply
    131,607.77x = 181,641.06 × 74,263.35
  4. Step 4: Simplify right side
    131,607.77x = 13,489,273,241.83
  5. Step 5: Solve for x
    x = 13,489,273,241.83/131,607.77
  6. Step 6: Final answer
    x = 102,496.02

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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.