Home / 131,573.16-181,570.68-74,212.29

Finding the Fourth Proportional to 131,573.16, 181,570.68 and 74,212.29

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Solution

The fourth proportional to 131,573.16, 181,570.68 and 74,212.29 is: 102,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,573.16 : 181,570.68 = 74,212.29 : x
  2. Step 2: Convert to fraction form
    131,573.16/181,570.68 = 74,212.29/x
  3. Step 3: Cross multiply
    131,573.16x = 181,570.68 × 74,212.29
  4. Step 4: Simplify right side
    131,573.16x = 13,474,775,959.66
  5. Step 5: Solve for x
    x = 13,474,775,959.66/131,573.16
  6. Step 6: Final answer
    x = 102,412.80

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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.