Home / 229,730.10-317,039.88-134,292.66

Finding the Fourth Proportional to 229,730.10, 317,039.88 and 134,292.66

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Solution

The fourth proportional to 229,730.10, 317,039.88 and 134,292.66 is: 185,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,730.10 : 317,039.88 = 134,292.66 : x
  2. Step 2: Convert to fraction form
    229,730.10/317,039.88 = 134,292.66/x
  3. Step 3: Cross multiply
    229,730.10x = 317,039.88 × 134,292.66
  4. Step 4: Simplify right side
    229,730.10x = 42,576,128,811.28
  5. Step 5: Solve for x
    x = 42,576,128,811.28/229,730.10
  6. Step 6: Final answer
    x = 185,331.09

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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.