Home / 211,130.60-316,697.94-53,359.07

Finding the Fourth Proportional to 211,130.60, 316,697.94 and 53,359.07

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Solution

The fourth proportional to 211,130.60, 316,697.94 and 53,359.07 is: 80,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,130.60 : 316,697.94 = 53,359.07 : x
  2. Step 2: Convert to fraction form
    211,130.60/316,697.94 = 53,359.07/x
  3. Step 3: Cross multiply
    211,130.60x = 316,697.94 × 53,359.07
  4. Step 4: Simplify right side
    211,130.60x = 16,898,705,965.83
  5. Step 5: Solve for x
    x = 16,898,705,965.83/211,130.60
  6. Step 6: Final answer
    x = 80,039.11

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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.