Home / 112,984.96-155,913.96-61,996.54

Finding the Fourth Proportional to 112,984.96, 155,913.96 and 61,996.54

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Solution

The fourth proportional to 112,984.96, 155,913.96 and 61,996.54 is: 85,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,984.96 : 155,913.96 = 61,996.54 : x
  2. Step 2: Convert to fraction form
    112,984.96/155,913.96 = 61,996.54/x
  3. Step 3: Cross multiply
    112,984.96x = 155,913.96 × 61,996.54
  4. Step 4: Simplify right side
    112,984.96x = 9,666,126,057.70
  5. Step 5: Solve for x
    x = 9,666,126,057.70/112,984.96
  6. Step 6: Final answer
    x = 85,552.33

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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.