Home / 189,609.34-284,497.05-89,840.74

Finding the Fourth Proportional to 189,609.34, 284,497.05 and 89,840.74

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Solution

The fourth proportional to 189,609.34, 284,497.05 and 89,840.74 is: 134,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,609.34 : 284,497.05 = 89,840.74 : x
  2. Step 2: Convert to fraction form
    189,609.34/284,497.05 = 89,840.74/x
  3. Step 3: Cross multiply
    189,609.34x = 284,497.05 × 89,840.74
  4. Step 4: Simplify right side
    189,609.34x = 25,559,425,499.82
  5. Step 5: Solve for x
    x = 25,559,425,499.82/189,609.34
  6. Step 6: Final answer
    x = 134,800.46

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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.