Home / 70,190.13-105,296.13-42,103.59

Finding the Fourth Proportional to 70,190.13, 105,296.13 and 42,103.59

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Solution

The fourth proportional to 70,190.13, 105,296.13 and 42,103.59 is: 63,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,190.13 : 105,296.13 = 42,103.59 : x
  2. Step 2: Convert to fraction form
    70,190.13/105,296.13 = 42,103.59/x
  3. Step 3: Cross multiply
    70,190.13x = 105,296.13 × 42,103.59
  4. Step 4: Simplify right side
    70,190.13x = 4,433,344,559.63
  5. Step 5: Solve for x
    x = 4,433,344,559.63/70,190.13
  6. Step 6: Final answer
    x = 63,161.94

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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.