Home / 151,668.86-209,288.81-146,573.15

Finding the Fourth Proportional to 151,668.86, 209,288.81 and 146,573.15

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Solution

The fourth proportional to 151,668.86, 209,288.81 and 146,573.15 is: 202,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,668.86 : 209,288.81 = 146,573.15 : x
  2. Step 2: Convert to fraction form
    151,668.86/209,288.81 = 146,573.15/x
  3. Step 3: Cross multiply
    151,668.86x = 209,288.81 × 146,573.15
  4. Step 4: Simplify right side
    151,668.86x = 30,676,119,461.44
  5. Step 5: Solve for x
    x = 30,676,119,461.44/151,668.86
  6. Step 6: Final answer
    x = 202,257.21

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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.