Home / 161,137.28-222,384.48-97,490.72

Finding the Fourth Proportional to 161,137.28, 222,384.48 and 97,490.72

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Solution

The fourth proportional to 161,137.28, 222,384.48 and 97,490.72 is: 134,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,137.28 : 222,384.48 = 97,490.72 : x
  2. Step 2: Convert to fraction form
    161,137.28/222,384.48 = 97,490.72/x
  3. Step 3: Cross multiply
    161,137.28x = 222,384.48 × 97,490.72
  4. Step 4: Simplify right side
    161,137.28x = 21,680,423,072.03
  5. Step 5: Solve for x
    x = 21,680,423,072.03/161,137.28
  6. Step 6: Final answer
    x = 134,546.29

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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.