Home / 219,543.10-302,965.56-124,047.76

Finding the Fourth Proportional to 219,543.10, 302,965.56 and 124,047.76

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Solution

The fourth proportional to 219,543.10, 302,965.56 and 124,047.76 is: 171,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,543.10 : 302,965.56 = 124,047.76 : x
  2. Step 2: Convert to fraction form
    219,543.10/302,965.56 = 124,047.76/x
  3. Step 3: Cross multiply
    219,543.10x = 302,965.56 × 124,047.76
  4. Step 4: Simplify right side
    219,543.10x = 37,582,199,075.15
  5. Step 5: Solve for x
    x = 37,582,199,075.15/219,543.10
  6. Step 6: Final answer
    x = 171,183.70

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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.