Home / 88,005.60-121,454.63-74,318.22

Finding the Fourth Proportional to 88,005.60, 121,454.63 and 74,318.22

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Solution

The fourth proportional to 88,005.60, 121,454.63 and 74,318.22 is: 102,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,005.60 : 121,454.63 = 74,318.22 : x
  2. Step 2: Convert to fraction form
    88,005.60/121,454.63 = 74,318.22/x
  3. Step 3: Cross multiply
    88,005.60x = 121,454.63 × 74,318.22
  4. Step 4: Simplify right side
    88,005.60x = 9,026,291,912.36
  5. Step 5: Solve for x
    x = 9,026,291,912.36/88,005.60
  6. Step 6: Final answer
    x = 102,564.97

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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.