Home / 189,243.98-283,613.78-89,430.68

Finding the Fourth Proportional to 189,243.98, 283,613.78 and 89,430.68

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Solution

The fourth proportional to 189,243.98, 283,613.78 and 89,430.68 is: 134,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,243.98 : 283,613.78 = 89,430.68 : x
  2. Step 2: Convert to fraction form
    189,243.98/283,613.78 = 89,430.68/x
  3. Step 3: Cross multiply
    189,243.98x = 283,613.78 × 89,430.68
  4. Step 4: Simplify right side
    189,243.98x = 25,363,773,202.77
  5. Step 5: Solve for x
    x = 25,363,773,202.77/189,243.98
  6. Step 6: Final answer
    x = 134,026.84

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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.