Home / 151,219.60-226,820.22-66,955.12

Finding the Fourth Proportional to 151,219.60, 226,820.22 and 66,955.12

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Solution

The fourth proportional to 151,219.60, 226,820.22 and 66,955.12 is: 100,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,219.60 : 226,820.22 = 66,955.12 : x
  2. Step 2: Convert to fraction form
    151,219.60/226,820.22 = 66,955.12/x
  3. Step 3: Cross multiply
    151,219.60x = 226,820.22 × 66,955.12
  4. Step 4: Simplify right side
    151,219.60x = 15,186,775,048.53
  5. Step 5: Solve for x
    x = 15,186,775,048.53/151,219.60
  6. Step 6: Final answer
    x = 100,428.62

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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.