Home / 229,731.87-316,983.51-134,220.12

Finding the Fourth Proportional to 229,731.87, 316,983.51 and 134,220.12

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Solution

The fourth proportional to 229,731.87, 316,983.51 and 134,220.12 is: 185,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,731.87 : 316,983.51 = 134,220.12 : x
  2. Step 2: Convert to fraction form
    229,731.87/316,983.51 = 134,220.12/x
  3. Step 3: Cross multiply
    229,731.87x = 316,983.51 × 134,220.12
  4. Step 4: Simplify right side
    229,731.87x = 42,545,564,750.22
  5. Step 5: Solve for x
    x = 42,545,564,750.22/229,731.87
  6. Step 6: Final answer
    x = 185,196.62

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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.