Home / 146,670.18-202,388.10-82,130.45

Finding the Fourth Proportional to 146,670.18, 202,388.10 and 82,130.45

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Solution

The fourth proportional to 146,670.18, 202,388.10 and 82,130.45 is: 113,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,670.18 : 202,388.10 = 82,130.45 : x
  2. Step 2: Convert to fraction form
    146,670.18/202,388.10 = 82,130.45/x
  3. Step 3: Cross multiply
    146,670.18x = 202,388.10 × 82,130.45
  4. Step 4: Simplify right side
    146,670.18x = 16,622,224,715.70
  5. Step 5: Solve for x
    x = 16,622,224,715.70/146,670.18
  6. Step 6: Final answer
    x = 113,330.64

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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.