Home / 219,386.76-302,747.92-122,591.42

Finding the Fourth Proportional to 219,386.76, 302,747.92 and 122,591.42

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Solution

The fourth proportional to 219,386.76, 302,747.92 and 122,591.42 is: 169,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,386.76 : 302,747.92 = 122,591.42 : x
  2. Step 2: Convert to fraction form
    219,386.76/302,747.92 = 122,591.42/x
  3. Step 3: Cross multiply
    219,386.76x = 302,747.92 × 122,591.42
  4. Step 4: Simplify right side
    219,386.76x = 37,114,296,959.79
  5. Step 5: Solve for x
    x = 37,114,296,959.79/219,386.76
  6. Step 6: Final answer
    x = 169,172.91

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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.