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Finding the Fourth Proportional to 116,230.55, 160,392.62 and 65,237.00

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Solution

The fourth proportional to 116,230.55, 160,392.62 and 65,237.00 is: 90,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,230.55 : 160,392.62 = 65,237.00 : x
  2. Step 2: Convert to fraction form
    116,230.55/160,392.62 = 65,237.00/x
  3. Step 3: Cross multiply
    116,230.55x = 160,392.62 × 65,237.00
  4. Step 4: Simplify right side
    116,230.55x = 10,463,532,824.26
  5. Step 5: Solve for x
    x = 10,463,532,824.26/116,230.55
  6. Step 6: Final answer
    x = 90,023.95

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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.