Home / 229,732.12-316,983.84-134,220.36

Finding the Fourth Proportional to 229,732.12, 316,983.84 and 134,220.36

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Solution

The fourth proportional to 229,732.12, 316,983.84 and 134,220.36 is: 185,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,732.12 : 316,983.84 = 134,220.36 : x
  2. Step 2: Convert to fraction form
    229,732.12/316,983.84 = 134,220.36/x
  3. Step 3: Cross multiply
    229,732.12x = 316,983.84 × 134,220.36
  4. Step 4: Simplify right side
    229,732.12x = 42,545,685,118.98
  5. Step 5: Solve for x
    x = 42,545,685,118.98/229,732.12
  6. Step 6: Final answer
    x = 185,196.94

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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.