Home / 224,090.28-309,108.60-133,385.67

Finding the Fourth Proportional to 224,090.28, 309,108.60 and 133,385.67

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Solution

The fourth proportional to 224,090.28, 309,108.60 and 133,385.67 is: 183,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,090.28 : 309,108.60 = 133,385.67 : x
  2. Step 2: Convert to fraction form
    224,090.28/309,108.60 = 133,385.67/x
  3. Step 3: Cross multiply
    224,090.28x = 309,108.60 × 133,385.67
  4. Step 4: Simplify right side
    224,090.28x = 41,230,657,713.76
  5. Step 5: Solve for x
    x = 41,230,657,713.76/224,090.28
  6. Step 6: Final answer
    x = 183,991.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.