Home / 229,727.39-316,977.35-134,215.65

Finding the Fourth Proportional to 229,727.39, 316,977.35 and 134,215.65

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Solution

The fourth proportional to 229,727.39, 316,977.35 and 134,215.65 is: 185,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,727.39 : 316,977.35 = 134,215.65 : x
  2. Step 2: Convert to fraction form
    229,727.39/316,977.35 = 134,215.65/x
  3. Step 3: Cross multiply
    229,727.39x = 316,977.35 × 134,215.65
  4. Step 4: Simplify right side
    229,727.39x = 42,543,320,394.45
  5. Step 5: Solve for x
    x = 42,543,320,394.45/229,727.39
  6. Step 6: Final answer
    x = 185,190.46

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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.