Home / 219,131.14-302,415.24-123,602.98

Finding the Fourth Proportional to 219,131.14, 302,415.24 and 123,602.98

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Solution

The fourth proportional to 219,131.14, 302,415.24 and 123,602.98 is: 170,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,131.14 : 302,415.24 = 123,602.98 : x
  2. Step 2: Convert to fraction form
    219,131.14/302,415.24 = 123,602.98/x
  3. Step 3: Cross multiply
    219,131.14x = 302,415.24 × 123,602.98
  4. Step 4: Simplify right side
    219,131.14x = 37,379,424,861.42
  5. Step 5: Solve for x
    x = 37,379,424,861.42/219,131.14
  6. Step 6: Final answer
    x = 170,580.16

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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.