Home / 151,432.65-208,974.24-83,455.92

Finding the Fourth Proportional to 151,432.65, 208,974.24 and 83,455.92

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Solution

The fourth proportional to 151,432.65, 208,974.24 and 83,455.92 is: 115,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,432.65 : 208,974.24 = 83,455.92 : x
  2. Step 2: Convert to fraction form
    151,432.65/208,974.24 = 83,455.92/x
  3. Step 3: Cross multiply
    151,432.65x = 208,974.24 × 83,455.92
  4. Step 4: Simplify right side
    151,432.65x = 17,440,137,455.50
  5. Step 5: Solve for x
    x = 17,440,137,455.50/151,432.65
  6. Step 6: Final answer
    x = 115,167.62

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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.