Home / 219,035.25-302,279.18-123,539.76

Finding the Fourth Proportional to 219,035.25, 302,279.18 and 123,539.76

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Solution

The fourth proportional to 219,035.25, 302,279.18 and 123,539.76 is: 170,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,035.25 : 302,279.18 = 123,539.76 : x
  2. Step 2: Convert to fraction form
    219,035.25/302,279.18 = 123,539.76/x
  3. Step 3: Cross multiply
    219,035.25x = 302,279.18 × 123,539.76
  4. Step 4: Simplify right side
    219,035.25x = 37,343,496,732.50
  5. Step 5: Solve for x
    x = 37,343,496,732.50/219,035.25
  6. Step 6: Final answer
    x = 170,490.81

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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.