Home / 102,173.35-153,282.09-31,101.55

Finding the Fourth Proportional to 102,173.35, 153,282.09 and 31,101.55

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Solution

The fourth proportional to 102,173.35, 153,282.09 and 31,101.55 is: 46,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,173.35 : 153,282.09 = 31,101.55 : x
  2. Step 2: Convert to fraction form
    102,173.35/153,282.09 = 31,101.55/x
  3. Step 3: Cross multiply
    102,173.35x = 153,282.09 × 31,101.55
  4. Step 4: Simplify right side
    102,173.35x = 4,767,309,769.84
  5. Step 5: Solve for x
    x = 4,767,309,769.84/102,173.35
  6. Step 6: Final answer
    x = 46,659.03

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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.