Home / 131,294.39-181,187.00-74,705.76

Finding the Fourth Proportional to 131,294.39, 181,187.00 and 74,705.76

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Solution

The fourth proportional to 131,294.39, 181,187.00 and 74,705.76 is: 103,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,294.39 : 181,187.00 = 74,705.76 : x
  2. Step 2: Convert to fraction form
    131,294.39/181,187.00 = 74,705.76/x
  3. Step 3: Cross multiply
    131,294.39x = 181,187.00 × 74,705.76
  4. Step 4: Simplify right side
    131,294.39x = 13,535,712,163.59
  5. Step 5: Solve for x
    x = 13,535,712,163.59/131,294.39
  6. Step 6: Final answer
    x = 103,094.37

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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.