Home / 219,543.23-302,965.72-124,047.88

Finding the Fourth Proportional to 219,543.23, 302,965.72 and 124,047.88

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Solution

The fourth proportional to 219,543.23, 302,965.72 and 124,047.88 is: 171,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,543.23 : 302,965.72 = 124,047.88 : x
  2. Step 2: Convert to fraction form
    219,543.23/302,965.72 = 124,047.88/x
  3. Step 3: Cross multiply
    219,543.23x = 302,965.72 × 124,047.88
  4. Step 4: Simplify right side
    219,543.23x = 37,582,255,278.67
  5. Step 5: Solve for x
    x = 37,582,255,278.67/219,543.23
  6. Step 6: Final answer
    x = 171,183.85

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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.