Home / 102,089.42-153,121.96-27,215.18

Finding the Fourth Proportional to 102,089.42, 153,121.96 and 27,215.18

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Solution

The fourth proportional to 102,089.42, 153,121.96 and 27,215.18 is: 40,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,089.42 : 153,121.96 = 27,215.18 : x
  2. Step 2: Convert to fraction form
    102,089.42/153,121.96 = 27,215.18/x
  3. Step 3: Cross multiply
    102,089.42x = 153,121.96 × 27,215.18
  4. Step 4: Simplify right side
    102,089.42x = 4,167,241,703.35
  5. Step 5: Solve for x
    x = 4,167,241,703.35/102,089.42
  6. Step 6: Final answer
    x = 40,819.53

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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.