Home / 131,427.29-181,369.55-70,997.93

Finding the Fourth Proportional to 131,427.29, 181,369.55 and 70,997.93

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Solution

The fourth proportional to 131,427.29, 181,369.55 and 70,997.93 is: 97,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,427.29 : 181,369.55 = 70,997.93 : x
  2. Step 2: Convert to fraction form
    131,427.29/181,369.55 = 70,997.93/x
  3. Step 3: Cross multiply
    131,427.29x = 181,369.55 × 70,997.93
  4. Step 4: Simplify right side
    131,427.29x = 12,876,861,353.19
  5. Step 5: Solve for x
    x = 12,876,861,353.19/131,427.29
  6. Step 6: Final answer
    x = 97,977.08

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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.