Home / 224,421.32-309,713.27-128,934.20

Finding the Fourth Proportional to 224,421.32, 309,713.27 and 128,934.20

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Solution

The fourth proportional to 224,421.32, 309,713.27 and 128,934.20 is: 177,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,421.32 : 309,713.27 = 128,934.20 : x
  2. Step 2: Convert to fraction form
    224,421.32/309,713.27 = 128,934.20/x
  3. Step 3: Cross multiply
    224,421.32x = 309,713.27 × 128,934.20
  4. Step 4: Simplify right side
    224,421.32x = 39,932,630,503.60
  5. Step 5: Solve for x
    x = 39,932,630,503.60/224,421.32
  6. Step 6: Final answer
    x = 177,936.00

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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.