Home / 114,743.79-172,056.42-51,509.66

Finding the Fourth Proportional to 114,743.79, 172,056.42 and 51,509.66

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Solution

The fourth proportional to 114,743.79, 172,056.42 and 51,509.66 is: 77,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,743.79 : 172,056.42 = 51,509.66 : x
  2. Step 2: Convert to fraction form
    114,743.79/172,056.42 = 51,509.66/x
  3. Step 3: Cross multiply
    114,743.79x = 172,056.42 × 51,509.66
  4. Step 4: Simplify right side
    114,743.79x = 8,862,566,834.74
  5. Step 5: Solve for x
    x = 8,862,566,834.74/114,743.79
  6. Step 6: Final answer
    x = 77,237.88

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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.