Home / 136,287.30-204,472.83-69,774.12

Finding the Fourth Proportional to 136,287.30, 204,472.83 and 69,774.12

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Solution

The fourth proportional to 136,287.30, 204,472.83 and 69,774.12 is: 104,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,287.30 : 204,472.83 = 69,774.12 : x
  2. Step 2: Convert to fraction form
    136,287.30/204,472.83 = 69,774.12/x
  3. Step 3: Cross multiply
    136,287.30x = 204,472.83 × 69,774.12
  4. Step 4: Simplify right side
    136,287.30x = 14,266,911,777.16
  5. Step 5: Solve for x
    x = 14,266,911,777.16/136,287.30
  6. Step 6: Final answer
    x = 104,682.62

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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.