Home / 112,933.48-155,847.12-61,945.16

Finding the Fourth Proportional to 112,933.48, 155,847.12 and 61,945.16

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Solution

The fourth proportional to 112,933.48, 155,847.12 and 61,945.16 is: 85,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,933.48 : 155,847.12 = 61,945.16 : x
  2. Step 2: Convert to fraction form
    112,933.48/155,847.12 = 61,945.16/x
  3. Step 3: Cross multiply
    112,933.48x = 155,847.12 × 61,945.16
  4. Step 4: Simplify right side
    112,933.48x = 9,653,974,783.94
  5. Step 5: Solve for x
    x = 9,653,974,783.94/112,933.48
  6. Step 6: Final answer
    x = 85,483.73

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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.