Home / 242,550.42-334,719.77-135,120.72

Finding the Fourth Proportional to 242,550.42, 334,719.77 and 135,120.72

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Solution

The fourth proportional to 242,550.42, 334,719.77 and 135,120.72 is: 186,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,550.42 : 334,719.77 = 135,120.72 : x
  2. Step 2: Convert to fraction form
    242,550.42/334,719.77 = 135,120.72/x
  3. Step 3: Cross multiply
    242,550.42x = 334,719.77 × 135,120.72
  4. Step 4: Simplify right side
    242,550.42x = 45,227,575,645.03
  5. Step 5: Solve for x
    x = 45,227,575,645.03/242,550.42
  6. Step 6: Final answer
    x = 186,466.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.