Home / 206,316.18-284,840.55-134,815.86

Finding the Fourth Proportional to 206,316.18, 284,840.55 and 134,815.86

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Solution

The fourth proportional to 206,316.18, 284,840.55 and 134,815.86 is: 186,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,316.18 : 284,840.55 = 134,815.86 : x
  2. Step 2: Convert to fraction form
    206,316.18/284,840.55 = 134,815.86/x
  3. Step 3: Cross multiply
    206,316.18x = 284,840.55 × 134,815.86
  4. Step 4: Simplify right side
    206,316.18x = 38,401,023,711.12
  5. Step 5: Solve for x
    x = 38,401,023,711.12/206,316.18
  6. Step 6: Final answer
    x = 186,127.06

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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.