Home / 99,171.09-148,815.75-35,996.16

Finding the Fourth Proportional to 99,171.09, 148,815.75 and 35,996.16

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Solution

The fourth proportional to 99,171.09, 148,815.75 and 35,996.16 is: 54,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,171.09 : 148,815.75 = 35,996.16 : x
  2. Step 2: Convert to fraction form
    99,171.09/148,815.75 = 35,996.16/x
  3. Step 3: Cross multiply
    99,171.09x = 148,815.75 × 35,996.16
  4. Step 4: Simplify right side
    99,171.09x = 5,356,795,547.52
  5. Step 5: Solve for x
    x = 5,356,795,547.52/99,171.09
  6. Step 6: Final answer
    x = 54,015.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.