Home / 194,476.10-291,253.35-131,807.30

Finding the Fourth Proportional to 194,476.10, 291,253.35 and 131,807.30

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Solution

The fourth proportional to 194,476.10, 291,253.35 and 131,807.30 is: 197,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,476.10 : 291,253.35 = 131,807.30 : x
  2. Step 2: Convert to fraction form
    194,476.10/291,253.35 = 131,807.30/x
  3. Step 3: Cross multiply
    194,476.10x = 291,253.35 × 131,807.30
  4. Step 4: Simplify right side
    194,476.10x = 38,389,317,679.46
  5. Step 5: Solve for x
    x = 38,389,317,679.46/194,476.10
  6. Step 6: Final answer
    x = 197,398.64

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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.