Home / 210,965.60-316,408.07-63,221.60

Finding the Fourth Proportional to 210,965.60, 316,408.07 and 63,221.60

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Solution

The fourth proportional to 210,965.60, 316,408.07 and 63,221.60 is: 94,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,965.60 : 316,408.07 = 63,221.60 : x
  2. Step 2: Convert to fraction form
    210,965.60/316,408.07 = 63,221.60/x
  3. Step 3: Cross multiply
    210,965.60x = 316,408.07 × 63,221.60
  4. Step 4: Simplify right side
    210,965.60x = 20,003,823,014.33
  5. Step 5: Solve for x
    x = 20,003,823,014.33/210,965.60
  6. Step 6: Final answer
    x = 94,820.31

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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.