Home / 114,864.04-172,339.26-39,989.80

Finding the Fourth Proportional to 114,864.04, 172,339.26 and 39,989.80

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Solution

The fourth proportional to 114,864.04, 172,339.26 and 39,989.80 is: 59,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,864.04 : 172,339.26 = 39,989.80 : x
  2. Step 2: Convert to fraction form
    114,864.04/172,339.26 = 39,989.80/x
  3. Step 3: Cross multiply
    114,864.04x = 172,339.26 × 39,989.80
  4. Step 4: Simplify right side
    114,864.04x = 6,891,812,539.55
  5. Step 5: Solve for x
    x = 6,891,812,539.55/114,864.04
  6. Step 6: Final answer
    x = 59,999.74

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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.