Home / 136,132.59-187,835.43-79,533.03

Finding the Fourth Proportional to 136,132.59, 187,835.43 and 79,533.03

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Solution

The fourth proportional to 136,132.59, 187,835.43 and 79,533.03 is: 109,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,132.59 : 187,835.43 = 79,533.03 : x
  2. Step 2: Convert to fraction form
    136,132.59/187,835.43 = 79,533.03/x
  3. Step 3: Cross multiply
    136,132.59x = 187,835.43 × 79,533.03
  4. Step 4: Simplify right side
    136,132.59x = 14,939,120,889.25
  5. Step 5: Solve for x
    x = 14,939,120,889.25/136,132.59
  6. Step 6: Final answer
    x = 109,739.49

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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.