Home / 211,109.04-316,665.72-53,337.69

Finding the Fourth Proportional to 211,109.04, 316,665.72 and 53,337.69

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Solution

The fourth proportional to 211,109.04, 316,665.72 and 53,337.69 is: 80,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,109.04 : 316,665.72 = 53,337.69 : x
  2. Step 2: Convert to fraction form
    211,109.04/316,665.72 = 53,337.69/x
  3. Step 3: Cross multiply
    211,109.04x = 316,665.72 × 53,337.69
  4. Step 4: Simplify right side
    211,109.04x = 16,890,218,006.99
  5. Step 5: Solve for x
    x = 16,890,218,006.99/211,109.04
  6. Step 6: Final answer
    x = 80,007.08

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1.5x scale

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.