Home / 131,582.62-181,585.92-74,224.63

Finding the Fourth Proportional to 131,582.62, 181,585.92 and 74,224.63

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Solution

The fourth proportional to 131,582.62, 181,585.92 and 74,224.63 is: 102,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,582.62 : 181,585.92 = 74,224.63 : x
  2. Step 2: Convert to fraction form
    131,582.62/181,585.92 = 74,224.63/x
  3. Step 3: Cross multiply
    131,582.62x = 181,585.92 × 74,224.63
  4. Step 4: Simplify right side
    131,582.62x = 13,478,147,725.21
  5. Step 5: Solve for x
    x = 13,478,147,725.21/131,582.62
  6. Step 6: Final answer
    x = 102,431.06

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1.5x scale

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.