Home / 206,102.07-284,418.54-115,457.40

Finding the Fourth Proportional to 206,102.07, 284,418.54 and 115,457.40

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Solution

The fourth proportional to 206,102.07, 284,418.54 and 115,457.40 is: 159,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,102.07 : 284,418.54 = 115,457.40 : x
  2. Step 2: Convert to fraction form
    206,102.07/284,418.54 = 115,457.40/x
  3. Step 3: Cross multiply
    206,102.07x = 284,418.54 × 115,457.40
  4. Step 4: Simplify right side
    206,102.07x = 32,838,225,140.20
  5. Step 5: Solve for x
    x = 32,838,225,140.20/206,102.07
  6. Step 6: Final answer
    x = 159,329.91

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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.