Home / 242,923.76-335,235.36-135,500.74

Finding the Fourth Proportional to 242,923.76, 335,235.36 and 135,500.74

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Solution

The fourth proportional to 242,923.76, 335,235.36 and 135,500.74 is: 186,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,923.76 : 335,235.36 = 135,500.74 : x
  2. Step 2: Convert to fraction form
    242,923.76/335,235.36 = 135,500.74/x
  3. Step 3: Cross multiply
    242,923.76x = 335,235.36 × 135,500.74
  4. Step 4: Simplify right side
    242,923.76x = 45,424,639,354.17
  5. Step 5: Solve for x
    x = 45,424,639,354.17/242,923.76
  6. Step 6: Final answer
    x = 186,991.34

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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.