Home / 189,002.16-283,404.81-89,135.53

Finding the Fourth Proportional to 189,002.16, 283,404.81 and 89,135.53

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Solution

The fourth proportional to 189,002.16, 283,404.81 and 89,135.53 is: 133,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,002.16 : 283,404.81 = 89,135.53 : x
  2. Step 2: Convert to fraction form
    189,002.16/283,404.81 = 89,135.53/x
  3. Step 3: Cross multiply
    189,002.16x = 283,404.81 × 89,135.53
  4. Step 4: Simplify right side
    189,002.16x = 25,261,437,943.90
  5. Step 5: Solve for x
    x = 25,261,437,943.90/189,002.16
  6. Step 6: Final answer
    x = 133,656.87

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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.