Home / 102,714.20-154,085.70-40,370.20

Finding the Fourth Proportional to 102,714.20, 154,085.70 and 40,370.20

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Solution

The fourth proportional to 102,714.20, 154,085.70 and 40,370.20 is: 60,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,714.20 : 154,085.70 = 40,370.20 : x
  2. Step 2: Convert to fraction form
    102,714.20/154,085.70 = 40,370.20/x
  3. Step 3: Cross multiply
    102,714.20x = 154,085.70 × 40,370.20
  4. Step 4: Simplify right side
    102,714.20x = 6,220,470,526.14
  5. Step 5: Solve for x
    x = 6,220,470,526.14/102,714.20
  6. Step 6: Final answer
    x = 60,560.96

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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.