Home / 242,837.10-335,106.90-133,945.76

Finding the Fourth Proportional to 242,837.10, 335,106.90 and 133,945.76

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Solution

The fourth proportional to 242,837.10, 335,106.90 and 133,945.76 is: 184,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,837.10 : 335,106.90 = 133,945.76 : x
  2. Step 2: Convert to fraction form
    242,837.10/335,106.90 = 133,945.76/x
  3. Step 3: Cross multiply
    242,837.10x = 335,106.90 × 133,945.76
  4. Step 4: Simplify right side
    242,837.10x = 44,886,147,732.02
  5. Step 5: Solve for x
    x = 44,886,147,732.02/242,837.10
  6. Step 6: Final answer
    x = 184,840.57

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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.