Home / 560,020.23-840,033.38-139,296.11

Finding the Fourth Proportional to 560,020.23, 840,033.38 and 139,296.11

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Solution

The fourth proportional to 560,020.23, 840,033.38 and 139,296.11 is: 208,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,020.23 : 840,033.38 = 139,296.11 : x
  2. Step 2: Convert to fraction form
    560,020.23/840,033.38 = 139,296.11/x
  3. Step 3: Cross multiply
    560,020.23x = 840,033.38 × 139,296.11
  4. Step 4: Simplify right side
    560,020.23x = 117,013,378,252.23
  5. Step 5: Solve for x
    x = 117,013,378,252.23/560,020.23
  6. Step 6: Final answer
    x = 208,944.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.