Home / 229,088.32-316,141.78-133,576.57

Finding the Fourth Proportional to 229,088.32, 316,141.78 and 133,576.57

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Solution

The fourth proportional to 229,088.32, 316,141.78 and 133,576.57 is: 184,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,088.32 : 316,141.78 = 133,576.57 : x
  2. Step 2: Convert to fraction form
    229,088.32/316,141.78 = 133,576.57/x
  3. Step 3: Cross multiply
    229,088.32x = 316,141.78 × 133,576.57
  4. Step 4: Simplify right side
    229,088.32x = 42,229,134,606.09
  5. Step 5: Solve for x
    x = 42,229,134,606.09/229,088.32
  6. Step 6: Final answer
    x = 184,335.61

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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.