Home / 94,338.10-130,259.68-72,499.80

Finding the Fourth Proportional to 94,338.10, 130,259.68 and 72,499.80

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Solution

The fourth proportional to 94,338.10, 130,259.68 and 72,499.80 is: 100,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,338.10 : 130,259.68 = 72,499.80 : x
  2. Step 2: Convert to fraction form
    94,338.10/130,259.68 = 72,499.80/x
  3. Step 3: Cross multiply
    94,338.10x = 130,259.68 × 72,499.80
  4. Step 4: Simplify right side
    94,338.10x = 9,443,800,748.06
  5. Step 5: Solve for x
    x = 9,443,800,748.06/94,338.10
  6. Step 6: Final answer
    x = 100,105.90

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1.5x scale

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.