Home / 219,165.13-302,444.90-122,370.48

Finding the Fourth Proportional to 219,165.13, 302,444.90 and 122,370.48

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Solution

The fourth proportional to 219,165.13, 302,444.90 and 122,370.48 is: 168,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,165.13 : 302,444.90 = 122,370.48 : x
  2. Step 2: Convert to fraction form
    219,165.13/302,444.90 = 122,370.48/x
  3. Step 3: Cross multiply
    219,165.13x = 302,444.90 × 122,370.48
  4. Step 4: Simplify right side
    219,165.13x = 37,010,328,121.92
  5. Step 5: Solve for x
    x = 37,010,328,121.92/219,165.13
  6. Step 6: Final answer
    x = 168,869.60

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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.