Home / 230,853.30-346,279.95-81,116.70

Finding the Fourth Proportional to 230,853.30, 346,279.95 and 81,116.70

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Solution

The fourth proportional to 230,853.30, 346,279.95 and 81,116.70 is: 121,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,853.30 : 346,279.95 = 81,116.70 : x
  2. Step 2: Convert to fraction form
    230,853.30/346,279.95 = 81,116.70/x
  3. Step 3: Cross multiply
    230,853.30x = 346,279.95 × 81,116.70
  4. Step 4: Simplify right side
    230,853.30x = 28,089,086,820.17
  5. Step 5: Solve for x
    x = 28,089,086,820.17/230,853.30
  6. Step 6: Final answer
    x = 121,675.05

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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.