Home / 203,465.28-280,784.43-112,822.23

Finding the Fourth Proportional to 203,465.28, 280,784.43 and 112,822.23

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Solution

The fourth proportional to 203,465.28, 280,784.43 and 112,822.23 is: 155,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,465.28 : 280,784.43 = 112,822.23 : x
  2. Step 2: Convert to fraction form
    203,465.28/280,784.43 = 112,822.23/x
  3. Step 3: Cross multiply
    203,465.28x = 280,784.43 × 112,822.23
  4. Step 4: Simplify right side
    203,465.28x = 31,678,725,541.88
  5. Step 5: Solve for x
    x = 31,678,725,541.88/203,465.28
  6. Step 6: Final answer
    x = 155,695.98

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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.