Home / 157,213.60-235,820.40-107,447.20

Finding the Fourth Proportional to 157,213.60, 235,820.40 and 107,447.20

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Solution

The fourth proportional to 157,213.60, 235,820.40 and 107,447.20 is: 161,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,213.60 : 235,820.40 = 107,447.20 : x
  2. Step 2: Convert to fraction form
    157,213.60/235,820.40 = 107,447.20/x
  3. Step 3: Cross multiply
    157,213.60x = 235,820.40 × 107,447.20
  4. Step 4: Simplify right side
    157,213.60x = 25,338,241,682.88
  5. Step 5: Solve for x
    x = 25,338,241,682.88/157,213.60
  6. Step 6: Final answer
    x = 161,170.80

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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.