Home / 131,427.14-181,369.27-74,838.52

Finding the Fourth Proportional to 131,427.14, 181,369.27 and 74,838.52

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Solution

The fourth proportional to 131,427.14, 181,369.27 and 74,838.52 is: 103,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,427.14 : 181,369.27 = 74,838.52 : x
  2. Step 2: Convert to fraction form
    131,427.14/181,369.27 = 74,838.52/x
  3. Step 3: Cross multiply
    131,427.14x = 181,369.27 × 74,838.52
  4. Step 4: Simplify right side
    131,427.14x = 13,573,407,740.28
  5. Step 5: Solve for x
    x = 13,573,407,740.28/131,427.14
  6. Step 6: Final answer
    x = 103,277.05

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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.