Home / 116,321.74-160,515.06-65,318.16

Finding the Fourth Proportional to 116,321.74, 160,515.06 and 65,318.16

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Solution

The fourth proportional to 116,321.74, 160,515.06 and 65,318.16 is: 90,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,321.74 : 160,515.06 = 65,318.16 : x
  2. Step 2: Convert to fraction form
    116,321.74/160,515.06 = 65,318.16/x
  3. Step 3: Cross multiply
    116,321.74x = 160,515.06 × 65,318.16
  4. Step 4: Simplify right side
    116,321.74x = 10,484,548,371.49
  5. Step 5: Solve for x
    x = 10,484,548,371.49/116,321.74
  6. Step 6: Final answer
    x = 90,134.04

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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.