Home / 88,104.86-121,450.47-69,209.18

Finding the Fourth Proportional to 88,104.86, 121,450.47 and 69,209.18

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Solution

The fourth proportional to 88,104.86, 121,450.47 and 69,209.18 is: 95,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,104.86 : 121,450.47 = 69,209.18 : x
  2. Step 2: Convert to fraction form
    88,104.86/121,450.47 = 69,209.18/x
  3. Step 3: Cross multiply
    88,104.86x = 121,450.47 × 69,209.18
  4. Step 4: Simplify right side
    88,104.86x = 8,405,487,439.31
  5. Step 5: Solve for x
    x = 8,405,487,439.31/88,104.86
  6. Step 6: Final answer
    x = 95,403.22

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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.