Home / 229,710.60-317,007.50-139,083.16

Finding the Fourth Proportional to 229,710.60, 317,007.50 and 139,083.16

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Solution

The fourth proportional to 229,710.60, 317,007.50 and 139,083.16 is: 191,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,710.60 : 317,007.50 = 139,083.16 : x
  2. Step 2: Convert to fraction form
    229,710.60/317,007.50 = 139,083.16/x
  3. Step 3: Cross multiply
    229,710.60x = 317,007.50 × 139,083.16
  4. Step 4: Simplify right side
    229,710.60x = 44,090,404,843.70
  5. Step 5: Solve for x
    x = 44,090,404,843.70/229,710.60
  6. Step 6: Final answer
    x = 191,938.92

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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.