Home / 146,036.12-218,586.70-105,915.60

Finding the Fourth Proportional to 146,036.12, 218,586.70 and 105,915.60

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Solution

The fourth proportional to 146,036.12, 218,586.70 and 105,915.60 is: 158,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,036.12 : 218,586.70 = 105,915.60 : x
  2. Step 2: Convert to fraction form
    146,036.12/218,586.70 = 105,915.60/x
  3. Step 3: Cross multiply
    146,036.12x = 218,586.70 × 105,915.60
  4. Step 4: Simplify right side
    146,036.12x = 23,151,741,614.91
  5. Step 5: Solve for x
    x = 23,151,741,614.91/146,036.12
  6. Step 6: Final answer
    x = 158,534.36

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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.