Home / 189,140.79-283,707.66-46,986.39

Finding the Fourth Proportional to 189,140.79, 283,707.66 and 46,986.39

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Solution

The fourth proportional to 189,140.79, 283,707.66 and 46,986.39 is: 70,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,140.79 : 283,707.66 = 46,986.39 : x
  2. Step 2: Convert to fraction form
    189,140.79/283,707.66 = 46,986.39/x
  3. Step 3: Cross multiply
    189,140.79x = 283,707.66 × 46,986.39
  4. Step 4: Simplify right side
    189,140.79x = 13,330,398,758.75
  5. Step 5: Solve for x
    x = 13,330,398,758.75/189,140.79
  6. Step 6: Final answer
    x = 70,478.71

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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.