Home / 242,961.12-335,284-134,066.40

Finding the Fourth Proportional to 242,961.12, 335,284 and 134,066.40

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Solution

The fourth proportional to 242,961.12, 335,284 and 134,066.40 is: 185,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,961.12 : 335,284 = 134,066.40 : x
  2. Step 2: Convert to fraction form
    242,961.12/335,284 = 134,066.40/x
  3. Step 3: Cross multiply
    242,961.12x = 335,284 × 134,066.40
  4. Step 4: Simplify right side
    242,961.12x = 44,950,318,857.60
  5. Step 5: Solve for x
    x = 44,950,318,857.60/242,961.12
  6. Step 6: Final answer
    x = 185,010.34

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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.