Home / 189,615.47-284,506.18-89,846.87

Finding the Fourth Proportional to 189,615.47, 284,506.18 and 89,846.87

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Solution

The fourth proportional to 189,615.47, 284,506.18 and 89,846.87 is: 134,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,615.47 : 284,506.18 = 89,846.87 : x
  2. Step 2: Convert to fraction form
    189,615.47/284,506.18 = 89,846.87/x
  3. Step 3: Cross multiply
    189,615.47x = 284,506.18 × 89,846.87
  4. Step 4: Simplify right side
    189,615.47x = 25,561,988,121.51
  5. Step 5: Solve for x
    x = 25,561,988,121.51/189,615.47
  6. Step 6: Final answer
    x = 134,809.62

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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.