Home / 109,013.04-150,438.96-65,993.52

Finding the Fourth Proportional to 109,013.04, 150,438.96 and 65,993.52

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Solution

The fourth proportional to 109,013.04, 150,438.96 and 65,993.52 is: 91,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,013.04 : 150,438.96 = 65,993.52 : x
  2. Step 2: Convert to fraction form
    109,013.04/150,438.96 = 65,993.52/x
  3. Step 3: Cross multiply
    109,013.04x = 150,438.96 × 65,993.52
  4. Step 4: Simplify right side
    109,013.04x = 9,927,996,515.54
  5. Step 5: Solve for x
    x = 9,927,996,515.54/109,013.04
  6. Step 6: Final answer
    x = 91,071.64

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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.