Home / 210,008.30-313,673.83-189,987.12

Finding the Fourth Proportional to 210,008.30, 313,673.83 and 189,987.12

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Solution

The fourth proportional to 210,008.30, 313,673.83 and 189,987.12 is: 283,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,008.30 : 313,673.83 = 189,987.12 : x
  2. Step 2: Convert to fraction form
    210,008.30/313,673.83 = 189,987.12/x
  3. Step 3: Cross multiply
    210,008.30x = 313,673.83 × 189,987.12
  4. Step 4: Simplify right side
    210,008.30x = 59,593,987,106.10
  5. Step 5: Solve for x
    x = 59,593,987,106.10/210,008.30
  6. Step 6: Final answer
    x = 283,769.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.