Home / 210,016.26-314,967.84-76,897.20

Finding the Fourth Proportional to 210,016.26, 314,967.84 and 76,897.20

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Solution

The fourth proportional to 210,016.26, 314,967.84 and 76,897.20 is: 115,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,016.26 : 314,967.84 = 76,897.20 : x
  2. Step 2: Convert to fraction form
    210,016.26/314,967.84 = 76,897.20/x
  3. Step 3: Cross multiply
    210,016.26x = 314,967.84 × 76,897.20
  4. Step 4: Simplify right side
    210,016.26x = 24,220,144,986.05
  5. Step 5: Solve for x
    x = 24,220,144,986.05/210,016.26
  6. Step 6: Final answer
    x = 115,325.09

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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.