Home / 99,946.34-149,945.47-29,825.65

Finding the Fourth Proportional to 99,946.34, 149,945.47 and 29,825.65

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Solution

The fourth proportional to 99,946.34, 149,945.47 and 29,825.65 is: 44,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,946.34 : 149,945.47 = 29,825.65 : x
  2. Step 2: Convert to fraction form
    99,946.34/149,945.47 = 29,825.65/x
  3. Step 3: Cross multiply
    99,946.34x = 149,945.47 × 29,825.65
  4. Step 4: Simplify right side
    99,946.34x = 4,472,221,387.94
  5. Step 5: Solve for x
    x = 4,472,221,387.94/99,946.34
  6. Step 6: Final answer
    x = 44,746.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.