Home / 112,982.48-155,914.80-61,994.24

Finding the Fourth Proportional to 112,982.48, 155,914.80 and 61,994.24

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Solution

The fourth proportional to 112,982.48, 155,914.80 and 61,994.24 is: 85,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.48 : 155,914.80 = 61,994.24 : x
  2. Step 2: Convert to fraction form
    112,982.48/155,914.80 = 61,994.24/x
  3. Step 3: Cross multiply
    112,982.48x = 155,914.80 × 61,994.24
  4. Step 4: Simplify right side
    112,982.48x = 9,665,819,530.75
  5. Step 5: Solve for x
    x = 9,665,819,530.75/112,982.48
  6. Step 6: Final answer
    x = 85,551.49

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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.