Home / 117,022.60-161,495.76-68,617.79

Finding the Fourth Proportional to 117,022.60, 161,495.76 and 68,617.79

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Solution

The fourth proportional to 117,022.60, 161,495.76 and 68,617.79 is: 94,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,022.60 : 161,495.76 = 68,617.79 : x
  2. Step 2: Convert to fraction form
    117,022.60/161,495.76 = 68,617.79/x
  3. Step 3: Cross multiply
    117,022.60x = 161,495.76 × 68,617.79
  4. Step 4: Simplify right side
    117,022.60x = 11,081,482,980.77
  5. Step 5: Solve for x
    x = 11,081,482,980.77/117,022.60
  6. Step 6: Final answer
    x = 94,695.24

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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.