Home / 131,374.24-181,231.50-77,633.26

Finding the Fourth Proportional to 131,374.24, 181,231.50 and 77,633.26

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Solution

The fourth proportional to 131,374.24, 181,231.50 and 77,633.26 is: 107,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,374.24 : 181,231.50 = 77,633.26 : x
  2. Step 2: Convert to fraction form
    131,374.24/181,231.50 = 77,633.26/x
  3. Step 3: Cross multiply
    131,374.24x = 181,231.50 × 77,633.26
  4. Step 4: Simplify right side
    131,374.24x = 14,069,592,159.69
  5. Step 5: Solve for x
    x = 14,069,592,159.69/131,374.24
  6. Step 6: Final answer
    x = 107,095.52

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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.