Home / 130,767.62-196,132.79-42,009.64

Finding the Fourth Proportional to 130,767.62, 196,132.79 and 42,009.64

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Solution

The fourth proportional to 130,767.62, 196,132.79 and 42,009.64 is: 63,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,767.62 : 196,132.79 = 42,009.64 : x
  2. Step 2: Convert to fraction form
    130,767.62/196,132.79 = 42,009.64/x
  3. Step 3: Cross multiply
    130,767.62x = 196,132.79 × 42,009.64
  4. Step 4: Simplify right side
    130,767.62x = 8,239,467,514.79
  5. Step 5: Solve for x
    x = 8,239,467,514.79/130,767.62
  6. Step 6: Final answer
    x = 63,008.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.