Home / 135,905.04-187,535.25-79,349.22

Finding the Fourth Proportional to 135,905.04, 187,535.25 and 79,349.22

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Solution

The fourth proportional to 135,905.04, 187,535.25 and 79,349.22 is: 109,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,905.04 : 187,535.25 = 79,349.22 : x
  2. Step 2: Convert to fraction form
    135,905.04/187,535.25 = 79,349.22/x
  3. Step 3: Cross multiply
    135,905.04x = 187,535.25 × 79,349.22
  4. Step 4: Simplify right side
    135,905.04x = 14,880,775,810.01
  5. Step 5: Solve for x
    x = 14,880,775,810.01/135,905.04
  6. Step 6: Final answer
    x = 109,493.92

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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.