Home / 116,853.12-161,258.04-88,509.60

Finding the Fourth Proportional to 116,853.12, 161,258.04 and 88,509.60

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Solution

The fourth proportional to 116,853.12, 161,258.04 and 88,509.60 is: 122,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,853.12 : 161,258.04 = 88,509.60 : x
  2. Step 2: Convert to fraction form
    116,853.12/161,258.04 = 88,509.60/x
  3. Step 3: Cross multiply
    116,853.12x = 161,258.04 × 88,509.60
  4. Step 4: Simplify right side
    116,853.12x = 14,272,884,617.18
  5. Step 5: Solve for x
    x = 14,272,884,617.18/116,853.12
  6. Step 6: Final answer
    x = 122,143.80

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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.