Home / 221,099.16-305,082.67-124,285.07

Finding the Fourth Proportional to 221,099.16, 305,082.67 and 124,285.07

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Solution

The fourth proportional to 221,099.16, 305,082.67 and 124,285.07 is: 171,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,099.16 : 305,082.67 = 124,285.07 : x
  2. Step 2: Convert to fraction form
    221,099.16/305,082.67 = 124,285.07/x
  3. Step 3: Cross multiply
    221,099.16x = 305,082.67 × 124,285.07
  4. Step 4: Simplify right side
    221,099.16x = 37,917,221,681.77
  5. Step 5: Solve for x
    x = 37,917,221,681.77/221,099.16
  6. Step 6: Final answer
    x = 171,494.19

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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.