Home / 203,463.29-280,782.72-112,823.08

Finding the Fourth Proportional to 203,463.29, 280,782.72 and 112,823.08

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Solution

The fourth proportional to 203,463.29, 280,782.72 and 112,823.08 is: 155,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,463.29 : 280,782.72 = 112,823.08 : x
  2. Step 2: Convert to fraction form
    203,463.29/280,782.72 = 112,823.08/x
  3. Step 3: Cross multiply
    203,463.29x = 280,782.72 × 112,823.08
  4. Step 4: Simplify right side
    203,463.29x = 31,678,770,579.22
  5. Step 5: Solve for x
    x = 31,678,770,579.22/203,463.29
  6. Step 6: Final answer
    x = 155,697.72

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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.