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Finding the Fourth Proportional to 102,119.34, 153,096.39 and 45,918.30

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Solution

The fourth proportional to 102,119.34, 153,096.39 and 45,918.30 is: 68,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,119.34 : 153,096.39 = 45,918.30 : x
  2. Step 2: Convert to fraction form
    102,119.34/153,096.39 = 45,918.30/x
  3. Step 3: Cross multiply
    102,119.34x = 153,096.39 × 45,918.30
  4. Step 4: Simplify right side
    102,119.34x = 7,029,925,964.94
  5. Step 5: Solve for x
    x = 7,029,925,964.94/102,119.34
  6. Step 6: Final answer
    x = 68,840.30

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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.