Home / 242,550.77-334,722.27-135,120.47

Finding the Fourth Proportional to 242,550.77, 334,722.27 and 135,120.47

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Solution

The fourth proportional to 242,550.77, 334,722.27 and 135,120.47 is: 186,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,550.77 : 334,722.27 = 135,120.47 : x
  2. Step 2: Convert to fraction form
    242,550.77/334,722.27 = 135,120.47/x
  3. Step 3: Cross multiply
    242,550.77x = 334,722.27 × 135,120.47
  4. Step 4: Simplify right side
    242,550.77x = 45,227,830,441.87
  5. Step 5: Solve for x
    x = 45,227,830,441.87/242,550.77
  6. Step 6: Final answer
    x = 186,467.48

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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.