Home / 109,097.75-150,555.81-61,350.68

Finding the Fourth Proportional to 109,097.75, 150,555.81 and 61,350.68

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Solution

The fourth proportional to 109,097.75, 150,555.81 and 61,350.68 is: 84,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,097.75 : 150,555.81 = 61,350.68 : x
  2. Step 2: Convert to fraction form
    109,097.75/150,555.81 = 61,350.68/x
  3. Step 3: Cross multiply
    109,097.75x = 150,555.81 × 61,350.68
  4. Step 4: Simplify right side
    109,097.75x = 9,236,701,321.45
  5. Step 5: Solve for x
    x = 9,236,701,321.45/109,097.75
  6. Step 6: Final answer
    x = 84,664.45

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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.