Home / 189,343.90-284,017.47-89,506.54

Finding the Fourth Proportional to 189,343.90, 284,017.47 and 89,506.54

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Solution

The fourth proportional to 189,343.90, 284,017.47 and 89,506.54 is: 134,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,343.90 : 284,017.47 = 89,506.54 : x
  2. Step 2: Convert to fraction form
    189,343.90/284,017.47 = 89,506.54/x
  3. Step 3: Cross multiply
    189,343.90x = 284,017.47 × 89,506.54
  4. Step 4: Simplify right side
    189,343.90x = 25,421,421,039.25
  5. Step 5: Solve for x
    x = 25,421,421,039.25/189,343.90
  6. Step 6: Final answer
    x = 134,260.58

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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.