Home / 210,817.12-316,217.76-53,043.52

Finding the Fourth Proportional to 210,817.12, 316,217.76 and 53,043.52

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Solution

The fourth proportional to 210,817.12, 316,217.76 and 53,043.52 is: 79,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,817.12 : 316,217.76 = 53,043.52 : x
  2. Step 2: Convert to fraction form
    210,817.12/316,217.76 = 53,043.52/x
  3. Step 3: Cross multiply
    210,817.12x = 316,217.76 × 53,043.52
  4. Step 4: Simplify right side
    210,817.12x = 16,773,303,076.92
  5. Step 5: Solve for x
    x = 16,773,303,076.92/210,817.12
  6. Step 6: Final answer
    x = 79,563.29

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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.