Home / 89,213.48-133,820.44-30,090.68

Finding the Fourth Proportional to 89,213.48, 133,820.44 and 30,090.68

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Solution

The fourth proportional to 89,213.48, 133,820.44 and 30,090.68 is: 45,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,213.48 : 133,820.44 = 30,090.68 : x
  2. Step 2: Convert to fraction form
    89,213.48/133,820.44 = 30,090.68/x
  3. Step 3: Cross multiply
    89,213.48x = 133,820.44 × 30,090.68
  4. Step 4: Simplify right side
    89,213.48x = 4,026,748,037.50
  5. Step 5: Solve for x
    x = 4,026,748,037.50/89,213.48
  6. Step 6: Final answer
    x = 45,136.09

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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.