Home / 154,149.60-231,341.25-65,465.37

Finding the Fourth Proportional to 154,149.60, 231,341.25 and 65,465.37

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Solution

The fourth proportional to 154,149.60, 231,341.25 and 65,465.37 is: 98,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,149.60 : 231,341.25 = 65,465.37 : x
  2. Step 2: Convert to fraction form
    154,149.60/231,341.25 = 65,465.37/x
  3. Step 3: Cross multiply
    154,149.60x = 231,341.25 × 65,465.37
  4. Step 4: Simplify right side
    154,149.60x = 15,144,840,527.51
  5. Step 5: Solve for x
    x = 15,144,840,527.51/154,149.60
  6. Step 6: Final answer
    x = 98,247.68

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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.