Home / 122,089.92-168,501.18-88,208.04

Finding the Fourth Proportional to 122,089.92, 168,501.18 and 88,208.04

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Solution

The fourth proportional to 122,089.92, 168,501.18 and 88,208.04 is: 121,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,089.92 : 168,501.18 = 88,208.04 : x
  2. Step 2: Convert to fraction form
    122,089.92/168,501.18 = 88,208.04/x
  3. Step 3: Cross multiply
    122,089.92x = 168,501.18 × 88,208.04
  4. Step 4: Simplify right side
    122,089.92x = 14,863,158,825.49
  5. Step 5: Solve for x
    x = 14,863,158,825.49/122,089.92
  6. Step 6: Final answer
    x = 121,739.44

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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.