Home / 189,569.16-284,310-71,252.46

Finding the Fourth Proportional to 189,569.16, 284,310 and 71,252.46

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Solution

The fourth proportional to 189,569.16, 284,310 and 71,252.46 is: 106,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,569.16 : 284,310 = 71,252.46 : x
  2. Step 2: Convert to fraction form
    189,569.16/284,310 = 71,252.46/x
  3. Step 3: Cross multiply
    189,569.16x = 284,310 × 71,252.46
  4. Step 4: Simplify right side
    189,569.16x = 20,257,786,902.60
  5. Step 5: Solve for x
    x = 20,257,786,902.60/189,569.16
  6. Step 6: Final answer
    x = 106,862.25

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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.