Home / 91,972.86-126,918.42-53,735.94

Finding the Fourth Proportional to 91,972.86, 126,918.42 and 53,735.94

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Solution

The fourth proportional to 91,972.86, 126,918.42 and 53,735.94 is: 74,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972.86 : 126,918.42 = 53,735.94 : x
  2. Step 2: Convert to fraction form
    91,972.86/126,918.42 = 53,735.94/x
  3. Step 3: Cross multiply
    91,972.86x = 126,918.42 × 53,735.94
  4. Step 4: Simplify right side
    91,972.86x = 6,820,080,602.01
  5. Step 5: Solve for x
    x = 6,820,080,602.01/91,972.86
  6. Step 6: Final answer
    x = 74,153.19

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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.