Home / 219,370.56-302,729.04-123,871.68

Finding the Fourth Proportional to 219,370.56, 302,729.04 and 123,871.68

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Solution

The fourth proportional to 219,370.56, 302,729.04 and 123,871.68 is: 170,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,370.56 : 302,729.04 = 123,871.68 : x
  2. Step 2: Convert to fraction form
    219,370.56/302,729.04 = 123,871.68/x
  3. Step 3: Cross multiply
    219,370.56x = 302,729.04 × 123,871.68
  4. Step 4: Simplify right side
    219,370.56x = 37,499,554,769.59
  5. Step 5: Solve for x
    x = 37,499,554,769.59/219,370.56
  6. Step 6: Final answer
    x = 170,941.60

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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.