Home / 219,454.03-302,871.22-123,966.88

Finding the Fourth Proportional to 219,454.03, 302,871.22 and 123,966.88

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Solution

The fourth proportional to 219,454.03, 302,871.22 and 123,966.88 is: 171,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,454.03 : 302,871.22 = 123,966.88 : x
  2. Step 2: Convert to fraction form
    219,454.03/302,871.22 = 123,966.88/x
  3. Step 3: Cross multiply
    219,454.03x = 302,871.22 × 123,966.88
  4. Step 4: Simplify right side
    219,454.03x = 37,545,999,118.10
  5. Step 5: Solve for x
    x = 37,545,999,118.10/219,454.03
  6. Step 6: Final answer
    x = 171,088.22

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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.