Home / 203,002.34-280,141.08-112,358.48

Finding the Fourth Proportional to 203,002.34, 280,141.08 and 112,358.48

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Solution

The fourth proportional to 203,002.34, 280,141.08 and 112,358.48 is: 155,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,002.34 : 280,141.08 = 112,358.48 : x
  2. Step 2: Convert to fraction form
    203,002.34/280,141.08 = 112,358.48/x
  3. Step 3: Cross multiply
    203,002.34x = 280,141.08 × 112,358.48
  4. Step 4: Simplify right side
    203,002.34x = 31,476,225,934.36
  5. Step 5: Solve for x
    x = 31,476,225,934.36/203,002.34
  6. Step 6: Final answer
    x = 155,053.51

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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.