Home / 229,423.06-316,718.94-143,429.82

Finding the Fourth Proportional to 229,423.06, 316,718.94 and 143,429.82

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Solution

The fourth proportional to 229,423.06, 316,718.94 and 143,429.82 is: 198,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,423.06 : 316,718.94 = 143,429.82 : x
  2. Step 2: Convert to fraction form
    229,423.06/316,718.94 = 143,429.82/x
  3. Step 3: Cross multiply
    229,423.06x = 316,718.94 × 143,429.82
  4. Step 4: Simplify right side
    229,423.06x = 45,426,940,554.79
  5. Step 5: Solve for x
    x = 45,426,940,554.79/229,423.06
  6. Step 6: Final answer
    x = 198,005.12

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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.