Home / 210,005.20-314,979.45-83,738.35

Finding the Fourth Proportional to 210,005.20, 314,979.45 and 83,738.35

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Solution

The fourth proportional to 210,005.20, 314,979.45 and 83,738.35 is: 125,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,005.20 : 314,979.45 = 83,738.35 : x
  2. Step 2: Convert to fraction form
    210,005.20/314,979.45 = 83,738.35/x
  3. Step 3: Cross multiply
    210,005.20x = 314,979.45 × 83,738.35
  4. Step 4: Simplify right side
    210,005.20x = 26,375,859,426.91
  5. Step 5: Solve for x
    x = 26,375,859,426.91/210,005.20
  6. Step 6: Final answer
    x = 125,596.22

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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.