Home / 112,316.56-154,994.78-61,327.90

Finding the Fourth Proportional to 112,316.56, 154,994.78 and 61,327.90

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Solution

The fourth proportional to 112,316.56, 154,994.78 and 61,327.90 is: 84,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,316.56 : 154,994.78 = 61,327.90 : x
  2. Step 2: Convert to fraction form
    112,316.56/154,994.78 = 61,327.90/x
  3. Step 3: Cross multiply
    112,316.56x = 154,994.78 × 61,327.90
  4. Step 4: Simplify right side
    112,316.56x = 9,505,504,715.43
  5. Step 5: Solve for x
    x = 9,505,504,715.43/112,316.56
  6. Step 6: Final answer
    x = 84,631.38

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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.