Home / 189,736.55-284,697.09-89,777.67

Finding the Fourth Proportional to 189,736.55, 284,697.09 and 89,777.67

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Solution

The fourth proportional to 189,736.55, 284,697.09 and 89,777.67 is: 134,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,736.55 : 284,697.09 = 89,777.67 : x
  2. Step 2: Convert to fraction form
    189,736.55/284,697.09 = 89,777.67/x
  3. Step 3: Cross multiply
    189,736.55x = 284,697.09 × 89,777.67
  4. Step 4: Simplify right side
    189,736.55x = 25,559,441,395.98
  5. Step 5: Solve for x
    x = 25,559,441,395.98/189,736.55
  6. Step 6: Final answer
    x = 134,710.16

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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.