Home / 194,615.64-268,569.18-109,732.20

Finding the Fourth Proportional to 194,615.64, 268,569.18 and 109,732.20

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Solution

The fourth proportional to 194,615.64, 268,569.18 and 109,732.20 is: 151,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,615.64 : 268,569.18 = 109,732.20 : x
  2. Step 2: Convert to fraction form
    194,615.64/268,569.18 = 109,732.20/x
  3. Step 3: Cross multiply
    194,615.64x = 268,569.18 × 109,732.20
  4. Step 4: Simplify right side
    194,615.64x = 29,470,686,973.60
  5. Step 5: Solve for x
    x = 29,470,686,973.60/194,615.64
  6. Step 6: Final answer
    x = 151,430.21

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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.