Home / 89,213.47-133,820.43-30,090.67

Finding the Fourth Proportional to 89,213.47, 133,820.43 and 30,090.67

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Solution

The fourth proportional to 89,213.47, 133,820.43 and 30,090.67 is: 45,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,213.47 : 133,820.43 = 30,090.67 : x
  2. Step 2: Convert to fraction form
    89,213.47/133,820.43 = 30,090.67/x
  3. Step 3: Cross multiply
    89,213.47x = 133,820.43 × 30,090.67
  4. Step 4: Simplify right side
    89,213.47x = 4,026,746,398.39
  5. Step 5: Solve for x
    x = 4,026,746,398.39/89,213.47
  6. Step 6: Final answer
    x = 45,136.08

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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.