Home / 131,572.37-181,569.60-74,211.51

Finding the Fourth Proportional to 131,572.37, 181,569.60 and 74,211.51

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Solution

The fourth proportional to 131,572.37, 181,569.60 and 74,211.51 is: 102,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,572.37 : 181,569.60 = 74,211.51 : x
  2. Step 2: Convert to fraction form
    131,572.37/181,569.60 = 74,211.51/x
  3. Step 3: Cross multiply
    131,572.37x = 181,569.60 × 74,211.51
  4. Step 4: Simplify right side
    131,572.37x = 13,474,553,815.04
  5. Step 5: Solve for x
    x = 13,474,553,815.04/131,572.37
  6. Step 6: Final answer
    x = 102,411.73

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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.